18242686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 40

約数和(自身を含む): 34786800

約数和(自身を除く): 16544114

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 121, 154, 178, 242, 623, 847, 979, 1246, 1331, 1694, 1958, 2662, 6853, 9317, 10769, 13706, 14641, 18634, 21538, 29282, 75383, 102487, 118459, 150766, 204974, 236918, 829213, 1303049, 1658426, 2606098, 9121343, 18242686]

約数ペア:

[(1, 18242686), (2, 9121343), (7, 2606098), (11, 1658426), (14, 1303049), (22, 829213), (77, 236918), (89, 204974), (121, 150766), (154, 118459), (178, 102487), (242, 75383), (623, 29282), (847, 21538), (979, 18634), (1246, 14641), (1331, 13706), (1694, 10769), (1958, 9317), (2662, 6853)]