18645213

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3001}}^1$

素因数の和:3132

約数の個数: 16

約数和(自身を含む): 26417600

約数和(自身を除く): 7772387

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3001, 6213, 9003, 57019, 171057, 327109, 981327, 6215071, 18645213]

約数ペア:

[(1, 18645213), (3, 6215071), (19, 981327), (57, 327109), (109, 171057), (327, 57019), (2071, 9003), (3001, 6213)]