18258506

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 15126454

約数列:

[1, 2, 7, 14, 19, 38, 83, 133, 166, 266, 581, 827, 1162, 1577, 1654, 3154, 5789, 11039, 11578, 15713, 22078, 31426, 68641, 109991, 137282, 219982, 480487, 960974, 1304179, 2608358, 9129253, 18258506]

約数ペア:

[(1, 18258506), (2, 9129253), (7, 2608358), (14, 1304179), (19, 960974), (38, 480487), (83, 219982), (133, 137282), (166, 109991), (266, 68641), (581, 31426), (827, 22078), (1162, 15713), (1577, 11578), (1654, 11039), (3154, 5789)]