18868927

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 24312960

約数和(自身を除く): 5444033

約数列:

[1, 7, 11, 37, 77, 179, 259, 407, 1253, 1369, 1969, 2849, 6623, 9583, 13783, 15059, 46361, 72853, 105413, 245051, 509971, 1715357, 2695561, 18868927]

約数ペア:

[(1, 18868927), (7, 2695561), (11, 1715357), (37, 509971), (77, 245051), (179, 105413), (259, 72853), (407, 46361), (1253, 15059), (1369, 13783), (1969, 9583), (2849, 6623)]