19958668

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 36578304

約数和(自身を除く): 16619636

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2267, 4402, 4534, 8804, 9068, 70277, 140554, 160957, 281108, 321914, 643828, 4989667, 9979334, 19958668]

約数ペア:

[(1, 19958668), (2, 9979334), (4, 4989667), (31, 643828), (62, 321914), (71, 281108), (124, 160957), (142, 140554), (284, 70277), (2201, 9068), (2267, 8804), (4402, 4534)]