19721102

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4789}}^1$

素因数の和:4891

約数の個数: 16

約数和(自身を含む): 31039200

約数和(自身を除く): 11318098

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4789, 9578, 138881, 277762, 340019, 680038, 9860551, 19721102]

約数ペア:

[(1, 19721102), (2, 9860551), (29, 680038), (58, 340019), (71, 277762), (142, 138881), (2059, 9578), (4118, 4789)]