19929038

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2389}}^1$

素因数の和:2531

約数の個数: 16

約数和(自身を含む): 30917040

約数和(自身を除く): 10988002

約数列:

[1, 2, 43, 86, 97, 194, 2389, 4171, 4778, 8342, 102727, 205454, 231733, 463466, 9964519, 19929038]

約数ペア:

[(1, 19929038), (2, 9964519), (43, 463466), (86, 231733), (97, 205454), (194, 102727), (2389, 8342), (4171, 4778)]