18154766

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 14919154

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 521, 917, 1042, 1834, 2489, 3647, 4978, 7294, 9899, 17423, 19798, 34846, 68251, 69293, 136502, 138586, 477757, 955514, 1296769, 2593538, 9077383, 18154766]

約数ペア:

[(1, 18154766), (2, 9077383), (7, 2593538), (14, 1296769), (19, 955514), (38, 477757), (131, 138586), (133, 136502), (262, 69293), (266, 68251), (521, 34846), (917, 19798), (1042, 17423), (1834, 9899), (2489, 7294), (3647, 4978)]