18161553680

素因数分解:

$2^4\times 5^1\times {\mathrm{50867}}^1\times {\mathrm{4463}}^1$

素因数の和:55343

約数の個数: 40

約数和(自身を含む): 42235903872

約数和(自身を除く): 24074350192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4463, 8926, 17852, 22315, 35704, 44630, 50867, 71408, 89260, 101734, 178520, 203468, 254335, 357040, 406936, 508670, 813872, 1017340, 2034680, 4069360, 227019421, 454038842, 908077684, 1135097105, 1816155368, 2270194210, 3632310736, 4540388420, 9080776840, 18161553680]

約数ペア:

[(1, 18161553680), (2, 9080776840), (4, 4540388420), (5, 3632310736), (8, 2270194210), (10, 1816155368), (16, 1135097105), (20, 908077684), (40, 454038842), (80, 227019421), (4463, 4069360), (8926, 2034680), (17852, 1017340), (22315, 813872), (35704, 508670), (44630, 406936), (50867, 357040), (71408, 254335), (89260, 203468), (101734, 178520)]