18619240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24499}}^1$

素因数の和:24529

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 25480760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24499, 48998, 97996, 122495, 195992, 244990, 465481, 489980, 930962, 979960, 1861924, 2327405, 3723848, 4654810, 9309620, 18619240]

約数ペア:

[(1, 18619240), (2, 9309620), (4, 4654810), (5, 3723848), (8, 2327405), (10, 1861924), (19, 979960), (20, 930962), (38, 489980), (40, 465481), (76, 244990), (95, 195992), (152, 122495), (190, 97996), (380, 48998), (760, 24499)]