18835804520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36222701}}^1$

素因数の和:36222725

約数の個数: 32

約数和(自身を含む): 45640604520

約数和(自身を除く): 26804800000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36222701, 72445402, 144890804, 181113505, 289781608, 362227010, 470895113, 724454020, 941790226, 1448908040, 1883580452, 2354475565, 3767160904, 4708951130, 9417902260, 18835804520]

約数ペア:

[(1, 18835804520), (2, 9417902260), (4, 4708951130), (5, 3767160904), (8, 2354475565), (10, 1883580452), (13, 1448908040), (20, 941790226), (26, 724454020), (40, 470895113), (52, 362227010), (65, 289781608), (104, 181113505), (130, 144890804), (260, 72445402), (520, 36222701)]