19207940830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{167711}}^1$

素因数の和:168612

約数の個数: 32

約数和(自身を含む): 37276339968

約数和(自身を除く): 18068399138

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 881, 1762, 4405, 8810, 11453, 22906, 57265, 114530, 167711, 335422, 838555, 1677110, 2180243, 4360486, 10901215, 21802430, 147753391, 295506782, 738766955, 1477533910, 1920794083, 3841588166, 9603970415, 19207940830]

約数ペア:

[(1, 19207940830), (2, 9603970415), (5, 3841588166), (10, 1920794083), (13, 1477533910), (26, 738766955), (65, 295506782), (130, 147753391), (881, 21802430), (1762, 10901215), (4405, 4360486), (8810, 2180243), (11453, 1677110), (22906, 838555), (57265, 335422), (114530, 167711)]