18676840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 52715880

約数和(自身を除く): 34039040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 733, 910, 980, 1274, 1466, 1820, 1960, 2548, 2932, 3185, 3640, 3665, 5096, 5131, 5864, 6370, 7330, 9529, 10262, 12740, 14660, 19058, 20524, 25480, 25655, 29320, 35917, 38116, 41048, 47645, 51310, 66703, 71834, 76232, 95290, 102620, 133406, 143668, 179585, 190580, 205240, 266812, 287336, 333515, 359170, 381160, 466921, 533624, 667030, 718340, 933842, 1334060, 1436680, 1867684, 2334605, 2668120, 3735368, 4669210, 9338420, 18676840]

約数ペア:

[(1, 18676840), (2, 9338420), (4, 4669210), (5, 3735368), (7, 2668120), (8, 2334605), (10, 1867684), (13, 1436680), (14, 1334060), (20, 933842), (26, 718340), (28, 667030), (35, 533624), (40, 466921), (49, 381160), (52, 359170), (56, 333515), (65, 287336), (70, 266812), (91, 205240), (98, 190580), (104, 179585), (130, 143668), (140, 133406), (182, 102620), (196, 95290), (245, 76232), (260, 71834), (280, 66703), (364, 51310), (392, 47645), (455, 41048), (490, 38116), (520, 35917), (637, 29320), (728, 25655), (733, 25480), (910, 20524), (980, 19058), (1274, 14660), (1466, 12740), (1820, 10262), (1960, 9529), (2548, 7330), (2932, 6370), (3185, 5864), (3640, 5131), (3665, 5096)]