18198580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 40783680

約数和(自身を除く): 22585100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 577, 830, 1154, 1577, 1660, 2308, 2885, 3154, 5770, 6308, 7885, 10963, 11540, 15770, 21926, 31540, 43852, 47891, 54815, 95782, 109630, 191564, 219260, 239455, 478910, 909929, 957820, 1819858, 3639716, 4549645, 9099290, 18198580]

約数ペア:

[(1, 18198580), (2, 9099290), (4, 4549645), (5, 3639716), (10, 1819858), (19, 957820), (20, 909929), (38, 478910), (76, 239455), (83, 219260), (95, 191564), (166, 109630), (190, 95782), (332, 54815), (380, 47891), (415, 43852), (577, 31540), (830, 21926), (1154, 15770), (1577, 11540), (1660, 10963), (2308, 7885), (2885, 6308), (3154, 5770)]