18645426

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{7561}}^1$

素因数の和:7706

約数の個数: 24

約数和(自身を含む): 40698684

約数和(自身を除く): 22053258

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 7561, 15122, 22683, 45366, 68049, 136098, 1035857, 2071714, 3107571, 6215142, 9322713, 18645426]

約数ペア:

[(1, 18645426), (2, 9322713), (3, 6215142), (6, 3107571), (9, 2071714), (18, 1035857), (137, 136098), (274, 68049), (411, 45366), (822, 22683), (1233, 15122), (2466, 7561)]