18759260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3182

約数の個数: 48

約数和(自身を含む): 44283456

約数和(自身を除く): 25524196

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3137, 5980, 6274, 12548, 15685, 31370, 40781, 62740, 72151, 81562, 144302, 163124, 203905, 288604, 360755, 407810, 721510, 815620, 937963, 1443020, 1875926, 3751852, 4689815, 9379630, 18759260]

約数ペア:

[(1, 18759260), (2, 9379630), (4, 4689815), (5, 3751852), (10, 1875926), (13, 1443020), (20, 937963), (23, 815620), (26, 721510), (46, 407810), (52, 360755), (65, 288604), (92, 203905), (115, 163124), (130, 144302), (230, 81562), (260, 72151), (299, 62740), (460, 40781), (598, 31370), (1196, 15685), (1495, 12548), (2990, 6274), (3137, 5980)]