19742580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 71940960

約数和(自身を除く): 52198380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 59, 60, 65, 66, 78, 90, 99, 110, 117, 118, 130, 132, 143, 156, 165, 169, 177, 180, 195, 198, 220, 234, 236, 260, 286, 295, 330, 338, 354, 390, 396, 429, 468, 495, 507, 531, 572, 585, 590, 649, 660, 676, 708, 715, 767, 780, 845, 858, 885, 990, 1014, 1062, 1170, 1180, 1287, 1298, 1430, 1521, 1534, 1690, 1716, 1770, 1859, 1947, 1980, 2028, 2124, 2145, 2301, 2340, 2535, 2574, 2596, 2655, 2860, 3042, 3068, 3245, 3380, 3540, 3718, 3835, 3894, 4290, 4602, 5070, 5148, 5310, 5577, 5841, 6084, 6435, 6490, 6903, 7436, 7605, 7670, 7788, 8437, 8580, 9204, 9295, 9735, 9971, 10140, 10620, 11154, 11505, 11682, 12870, 12980, 13806, 15210, 15340, 16731, 16874, 18590, 19470, 19942, 22308, 23010, 23364, 25311, 25740, 27612, 27885, 29205, 29913, 30420, 33462, 33748, 34515, 37180, 38940, 39884, 42185, 46020, 49855, 50622, 55770, 58410, 59826, 66924, 69030, 75933, 83655, 84370, 89739, 99710, 101244, 109681, 111540, 116820, 119652, 126555, 138060, 149565, 151866, 167310, 168740, 179478, 199420, 219362, 253110, 299130, 303732, 329043, 334620, 358956, 379665, 438724, 448695, 506220, 548405, 598260, 658086, 759330, 897390, 987129, 1096810, 1316172, 1518660, 1645215, 1794780, 1974258, 2193620, 3290430, 3948516, 4935645, 6580860, 9871290, 19742580]

約数ペア:

[(1, 19742580), (2, 9871290), (3, 6580860), (4, 4935645), (5, 3948516), (6, 3290430), (9, 2193620), (10, 1974258), (11, 1794780), (12, 1645215), (13, 1518660), (15, 1316172), (18, 1096810), (20, 987129), (22, 897390), (26, 759330), (30, 658086), (33, 598260), (36, 548405), (39, 506220), (44, 448695), (45, 438724), (52, 379665), (55, 358956), (59, 334620), (60, 329043), (65, 303732), (66, 299130), (78, 253110), (90, 219362), (99, 199420), (110, 179478), (117, 168740), (118, 167310), (130, 151866), (132, 149565), (143, 138060), (156, 126555), (165, 119652), (169, 116820), (177, 111540), (180, 109681), (195, 101244), (198, 99710), (220, 89739), (234, 84370), (236, 83655), (260, 75933), (286, 69030), (295, 66924), (330, 59826), (338, 58410), (354, 55770), (390, 50622), (396, 49855), (429, 46020), (468, 42185), (495, 39884), (507, 38940), (531, 37180), (572, 34515), (585, 33748), (590, 33462), (649, 30420), (660, 29913), (676, 29205), (708, 27885), (715, 27612), (767, 25740), (780, 25311), (845, 23364), (858, 23010), (885, 22308), (990, 19942), (1014, 19470), (1062, 18590), (1170, 16874), (1180, 16731), (1287, 15340), (1298, 15210), (1430, 13806), (1521, 12980), (1534, 12870), (1690, 11682), (1716, 11505), (1770, 11154), (1859, 10620), (1947, 10140), (1980, 9971), (2028, 9735), (2124, 9295), (2145, 9204), (2301, 8580), (2340, 8437), (2535, 7788), (2574, 7670), (2596, 7605), (2655, 7436), (2860, 6903), (3042, 6490), (3068, 6435), (3245, 6084), (3380, 5841), (3540, 5577), (3718, 5310), (3835, 5148), (3894, 5070), (4290, 4602)]