18630507

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 11851413

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 881, 1007, 1113, 2643, 3021, 6167, 7049, 16739, 18501, 21147, 46693, 50217, 117173, 140079, 326851, 351519, 887167, 980553, 2661501, 6210169, 18630507]

約数ペア:

[(1, 18630507), (3, 6210169), (7, 2661501), (19, 980553), (21, 887167), (53, 351519), (57, 326851), (133, 140079), (159, 117173), (371, 50217), (399, 46693), (881, 21147), (1007, 18501), (1113, 16739), (2643, 7049), (3021, 6167)]