18574270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22068290

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 419, 682, 715, 806, 838, 1430, 1705, 2015, 2095, 3410, 4030, 4190, 4433, 4609, 5447, 8866, 9218, 10894, 12989, 22165, 23045, 25978, 27235, 44330, 46090, 54470, 59917, 64945, 119834, 129890, 142879, 168857, 285758, 299585, 337714, 599170, 714395, 844285, 1428790, 1688570, 1857427, 3714854, 9287135, 18574270]

約数ペア:

[(1, 18574270), (2, 9287135), (5, 3714854), (10, 1857427), (11, 1688570), (13, 1428790), (22, 844285), (26, 714395), (31, 599170), (55, 337714), (62, 299585), (65, 285758), (110, 168857), (130, 142879), (143, 129890), (155, 119834), (286, 64945), (310, 59917), (341, 54470), (403, 46090), (419, 44330), (682, 27235), (715, 25978), (806, 23045), (838, 22165), (1430, 12989), (1705, 10894), (2015, 9218), (2095, 8866), (3410, 5447), (4030, 4609), (4190, 4433)]