19712904

素因数分解:

$2^3\times 3^1\times {\mathrm{421}}^1\times {\mathrm{1951}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 49424640

約数和(自身を除く): 29711736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 421, 842, 1263, 1684, 1951, 2526, 3368, 3902, 5052, 5853, 7804, 10104, 11706, 15608, 23412, 46824, 821371, 1642742, 2464113, 3285484, 4928226, 6570968, 9856452, 19712904]

約数ペア:

[(1, 19712904), (2, 9856452), (3, 6570968), (4, 4928226), (6, 3285484), (8, 2464113), (12, 1642742), (24, 821371), (421, 46824), (842, 23412), (1263, 15608), (1684, 11706), (1951, 10104), (2526, 7804), (3368, 5853), (3902, 5052)]