19945658

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 32944320

約数和(自身を除く): 12998662

約数列:

[1, 2, 17, 34, 59, 61, 118, 122, 163, 326, 1003, 1037, 2006, 2074, 2771, 3599, 5542, 7198, 9617, 9943, 19234, 19886, 61183, 122366, 163489, 169031, 326978, 338062, 586637, 1173274, 9972829, 19945658]

約数ペア:

[(1, 19945658), (2, 9972829), (17, 1173274), (34, 586637), (59, 338062), (61, 326978), (118, 169031), (122, 163489), (163, 122366), (326, 61183), (1003, 19886), (1037, 19234), (2006, 9943), (2074, 9617), (2771, 7198), (3599, 5542)]