18886365472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{416513}}^1$

素因数の和:416645

約数の個数: 48

約数和(自身を含む): 40410188280

約数和(自身を除く): 21523822808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 416, 436, 872, 1417, 1744, 2834, 3488, 5668, 11336, 22672, 45344, 416513, 833026, 1666052, 3332104, 5414669, 6664208, 10829338, 13328416, 21658676, 43317352, 45399917, 86634704, 90799834, 173269408, 181599668, 363199336, 590198921, 726398672, 1180397842, 1452797344, 2360795684, 4721591368, 9443182736, 18886365472]

約数ペア:

[(1, 18886365472), (2, 9443182736), (4, 4721591368), (8, 2360795684), (13, 1452797344), (16, 1180397842), (26, 726398672), (32, 590198921), (52, 363199336), (104, 181599668), (109, 173269408), (208, 90799834), (218, 86634704), (416, 45399917), (436, 43317352), (872, 21658676), (1417, 13328416), (1744, 10829338), (2834, 6664208), (3488, 5414669), (5668, 3332104), (11336, 1666052), (22672, 833026), (45344, 416513)]