18235672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 43283520

約数和(自身を除く): 25047848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 259, 296, 364, 481, 518, 677, 728, 962, 1036, 1354, 1924, 2072, 2708, 3367, 3848, 4739, 5416, 6734, 8801, 9478, 13468, 17602, 18956, 25049, 26936, 35204, 37912, 50098, 61607, 70408, 100196, 123214, 175343, 200392, 246428, 325637, 350686, 492856, 651274, 701372, 1302548, 1402744, 2279459, 2605096, 4558918, 9117836, 18235672]

約数ペア:

[(1, 18235672), (2, 9117836), (4, 4558918), (7, 2605096), (8, 2279459), (13, 1402744), (14, 1302548), (26, 701372), (28, 651274), (37, 492856), (52, 350686), (56, 325637), (74, 246428), (91, 200392), (104, 175343), (148, 123214), (182, 100196), (259, 70408), (296, 61607), (364, 50098), (481, 37912), (518, 35204), (677, 26936), (728, 25049), (962, 18956), (1036, 17602), (1354, 13468), (1924, 9478), (2072, 8801), (2708, 6734), (3367, 5416), (3848, 4739)]