19798480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19037}}^1$

素因数の和:19063

約数の個数: 40

約数和(自身を含む): 49574952

約数和(自身を除く): 29776472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19037, 38074, 76148, 95185, 152296, 190370, 247481, 304592, 380740, 494962, 761480, 989924, 1237405, 1522960, 1979848, 2474810, 3959696, 4949620, 9899240, 19798480]

約数ペア:

[(1, 19798480), (2, 9899240), (4, 4949620), (5, 3959696), (8, 2474810), (10, 1979848), (13, 1522960), (16, 1237405), (20, 989924), (26, 761480), (40, 494962), (52, 380740), (65, 304592), (80, 247481), (104, 190370), (130, 152296), (208, 95185), (260, 76148), (520, 38074), (1040, 19037)]