19883851491

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55697063}}^1$

素因数の和:55697090

約数の個数: 16

約数和(自身を含む): 32081508864

約数和(自身を除く): 12197657373

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55697063, 167091189, 389879441, 946850071, 1169638323, 2840550213, 6627950497, 19883851491]

約数ペア:

[(1, 19883851491), (3, 6627950497), (7, 2840550213), (17, 1169638323), (21, 946850071), (51, 389879441), (119, 167091189), (357, 55697063)]