19389240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1414

約数の個数: 128

約数和(自身を含む): 69652800

約数和(自身を除く): 50263560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1381, 1404, 1560, 1755, 2340, 2762, 2808, 3510, 4143, 4680, 5524, 6905, 7020, 8286, 11048, 12429, 13810, 14040, 16572, 17953, 20715, 24858, 27620, 33144, 35906, 37287, 41430, 49716, 53859, 55240, 62145, 71812, 74574, 82860, 89765, 99432, 107718, 124290, 143624, 149148, 161577, 165720, 179530, 186435, 215436, 248580, 269295, 298296, 323154, 359060, 372870, 430872, 484731, 497160, 538590, 646308, 718120, 745740, 807885, 969462, 1077180, 1292616, 1491480, 1615770, 1938924, 2154360, 2423655, 3231540, 3877848, 4847310, 6463080, 9694620, 19389240]

約数ペア:

[(1, 19389240), (2, 9694620), (3, 6463080), (4, 4847310), (5, 3877848), (6, 3231540), (8, 2423655), (9, 2154360), (10, 1938924), (12, 1615770), (13, 1491480), (15, 1292616), (18, 1077180), (20, 969462), (24, 807885), (26, 745740), (27, 718120), (30, 646308), (36, 538590), (39, 497160), (40, 484731), (45, 430872), (52, 372870), (54, 359060), (60, 323154), (65, 298296), (72, 269295), (78, 248580), (90, 215436), (104, 186435), (108, 179530), (117, 165720), (120, 161577), (130, 149148), (135, 143624), (156, 124290), (180, 107718), (195, 99432), (216, 89765), (234, 82860), (260, 74574), (270, 71812), (312, 62145), (351, 55240), (360, 53859), (390, 49716), (468, 41430), (520, 37287), (540, 35906), (585, 33144), (702, 27620), (780, 24858), (936, 20715), (1080, 17953), (1170, 16572), (1381, 14040), (1404, 13810), (1560, 12429), (1755, 11048), (2340, 8286), (2762, 7020), (2808, 6905), (3510, 5524), (4143, 4680)]