19759870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1567}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 38723328

約数和(自身を除く): 18963458

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1567, 2522, 3134, 6305, 7835, 12610, 15670, 20371, 40742, 101855, 151999, 203710, 303998, 759995, 1519990, 1975987, 3951974, 9879935, 19759870]

約数ペア:

[(1, 19759870), (2, 9879935), (5, 3951974), (10, 1975987), (13, 1519990), (26, 759995), (65, 303998), (97, 203710), (130, 151999), (194, 101855), (485, 40742), (970, 20371), (1261, 15670), (1567, 12610), (2522, 7835), (3134, 6305)]