19847620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3319}}^1$

素因数の和:3364

約数の個数: 48

約数和(自身を含む): 46851840

約数和(自身を除く): 27004220

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, 3319, 5980, 6638, 13276, 16595, 33190, 43147, 66380, 76337, 86294, 152674, 172588, 215735, 305348, 381685, 431470, 763370, 862940, 992381, 1526740, 1984762, 3969524, 4961905, 9923810, 19847620]

約数ペア:

[(1, 19847620), (2, 9923810), (4, 4961905), (5, 3969524), (10, 1984762), (13, 1526740), (20, 992381), (23, 862940), (26, 763370), (46, 431470), (52, 381685), (65, 305348), (92, 215735), (115, 172588), (130, 152674), (230, 86294), (260, 76337), (299, 66380), (460, 43147), (598, 33190), (1196, 16595), (1495, 13276), (2990, 6638), (3319, 5980)]