18260008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{521}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 37051560

約数和(自身を除く): 18791552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 337, 521, 674, 1042, 1348, 2084, 2696, 4168, 4381, 6773, 8762, 13546, 17524, 27092, 35048, 54184, 175577, 351154, 702308, 1404616, 2282501, 4565002, 9130004, 18260008]

約数ペア:

[(1, 18260008), (2, 9130004), (4, 4565002), (8, 2282501), (13, 1404616), (26, 702308), (52, 351154), (104, 175577), (337, 54184), (521, 35048), (674, 27092), (1042, 17524), (1348, 13546), (2084, 8762), (2696, 6773), (4168, 4381)]