18661473

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 28045056

約数和(自身を除く): 9383583

約数列:

[1, 3, 9, 31, 93, 211, 279, 317, 633, 951, 1899, 2853, 6541, 9827, 19623, 29481, 58869, 66887, 88443, 200661, 601983, 2073497, 6220491, 18661473]

約数ペア:

[(1, 18661473), (3, 6220491), (9, 2073497), (31, 601983), (93, 200661), (211, 88443), (279, 66887), (317, 58869), (633, 29481), (951, 19623), (1899, 9827), (2853, 6541)]