19926270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 65479680

約数和(自身を除く): 45553410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 811, 819, 910, 945, 1170, 1365, 1622, 1638, 1755, 1890, 2433, 2457, 2730, 3510, 4055, 4095, 4866, 4914, 5677, 7299, 8110, 8190, 10543, 11354, 12165, 12285, 14598, 17031, 21086, 21897, 24330, 24570, 28385, 31629, 34062, 36495, 43794, 51093, 52715, 56770, 63258, 72990, 73801, 85155, 94887, 102186, 105430, 109485, 147602, 153279, 158145, 170310, 189774, 218970, 221403, 255465, 284661, 306558, 316290, 369005, 442806, 474435, 510930, 569322, 664209, 738010, 766395, 948870, 1107015, 1328418, 1423305, 1532790, 1992627, 2214030, 2846610, 3321045, 3985254, 6642090, 9963135, 19926270]

約数ペア:

[(1, 19926270), (2, 9963135), (3, 6642090), (5, 3985254), (6, 3321045), (7, 2846610), (9, 2214030), (10, 1992627), (13, 1532790), (14, 1423305), (15, 1328418), (18, 1107015), (21, 948870), (26, 766395), (27, 738010), (30, 664209), (35, 569322), (39, 510930), (42, 474435), (45, 442806), (54, 369005), (63, 316290), (65, 306558), (70, 284661), (78, 255465), (90, 221403), (91, 218970), (105, 189774), (117, 170310), (126, 158145), (130, 153279), (135, 147602), (182, 109485), (189, 105430), (195, 102186), (210, 94887), (234, 85155), (270, 73801), (273, 72990), (315, 63258), (351, 56770), (378, 52715), (390, 51093), (455, 43794), (546, 36495), (585, 34062), (630, 31629), (702, 28385), (811, 24570), (819, 24330), (910, 21897), (945, 21086), (1170, 17031), (1365, 14598), (1622, 12285), (1638, 12165), (1755, 11354), (1890, 10543), (2433, 8190), (2457, 8110), (2730, 7299), (3510, 5677), (4055, 4914), (4095, 4866)]