19911301488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{26393}}^1$

素因数の和:26464

約数の個数: 180

約数和(自身を含む): 62288995392

約数和(自身を除く): 42377693904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 169, 186, 208, 234, 248, 279, 312, 338, 372, 403, 468, 496, 507, 558, 624, 676, 744, 806, 936, 1014, 1116, 1209, 1352, 1488, 1521, 1612, 1872, 2028, 2232, 2418, 2704, 3042, 3224, 3627, 4056, 4464, 4836, 5239, 6084, 6448, 7254, 8112, 9672, 10478, 12168, 14508, 15717, 19344, 20956, 24336, 26393, 29016, 31434, 41912, 47151, 52786, 58032, 62868, 79179, 83824, 94302, 105572, 125736, 158358, 188604, 211144, 237537, 251472, 316716, 343109, 377208, 422288, 475074, 633432, 686218, 754416, 818183, 950148, 1029327, 1266864, 1372436, 1636366, 1900296, 2058654, 2454549, 2744872, 3087981, 3272732, 3800592, 4117308, 4460417, 4909098, 5489744, 6175962, 6545464, 7363647, 8234616, 8920834, 9818196, 10636379, 12351924, 13090928, 13381251, 14727294, 16469232, 17841668, 19636392, 21272758, 24703848, 26762502, 29454588, 31909137, 35683336, 39272784, 40143753, 42545516, 49407696, 53525004, 58909176, 63818274, 71366672, 80287506, 85091032, 95727411, 107050008, 117818352, 127636548, 138272927, 160575012, 170182064, 191454822, 214100016, 255273096, 276545854, 321150024, 382909644, 414818781, 510546192, 553091708, 642300048, 765819288, 829637562, 1106183416, 1244456343, 1531638576, 1659275124, 2212366832, 2488912686, 3318550248, 4977825372, 6637100496, 9955650744, 19911301488]

約数ペア:

[(1, 19911301488), (2, 9955650744), (3, 6637100496), (4, 4977825372), (6, 3318550248), (8, 2488912686), (9, 2212366832), (12, 1659275124), (13, 1531638576), (16, 1244456343), (18, 1106183416), (24, 829637562), (26, 765819288), (31, 642300048), (36, 553091708), (39, 510546192), (48, 414818781), (52, 382909644), (62, 321150024), (72, 276545854), (78, 255273096), (93, 214100016), (104, 191454822), (117, 170182064), (124, 160575012), (144, 138272927), (156, 127636548), (169, 117818352), (186, 107050008), (208, 95727411), (234, 85091032), (248, 80287506), (279, 71366672), (312, 63818274), (338, 58909176), (372, 53525004), (403, 49407696), (468, 42545516), (496, 40143753), (507, 39272784), (558, 35683336), (624, 31909137), (676, 29454588), (744, 26762502), (806, 24703848), (936, 21272758), (1014, 19636392), (1116, 17841668), (1209, 16469232), (1352, 14727294), (1488, 13381251), (1521, 13090928), (1612, 12351924), (1872, 10636379), (2028, 9818196), (2232, 8920834), (2418, 8234616), (2704, 7363647), (3042, 6545464), (3224, 6175962), (3627, 5489744), (4056, 4909098), (4464, 4460417), (4836, 4117308), (5239, 3800592), (6084, 3272732), (6448, 3087981), (7254, 2744872), (8112, 2454549), (9672, 2058654), (10478, 1900296), (12168, 1636366), (14508, 1372436), (15717, 1266864), (19344, 1029327), (20956, 950148), (24336, 818183), (26393, 754416), (29016, 686218), (31434, 633432), (41912, 475074), (47151, 422288), (52786, 377208), (58032, 343109), (62868, 316716), (79179, 251472), (83824, 237537), (94302, 211144), (105572, 188604), (125736, 158358)]