19856547830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5789081}}^1$

素因数の和:5789109

約数の個数: 32

約数和(自身を含む): 41681390400

約数和(自身を除く): 21824842570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5789081, 11578162, 28945405, 40523567, 57890810, 81047134, 202617835, 283664969, 405235670, 567329938, 1418324845, 1985654783, 2836649690, 3971309566, 9928273915, 19856547830]

約数ペア:

[(1, 19856547830), (2, 9928273915), (5, 3971309566), (7, 2836649690), (10, 1985654783), (14, 1418324845), (35, 567329938), (49, 405235670), (70, 283664969), (98, 202617835), (245, 81047134), (343, 57890810), (490, 40523567), (686, 28945405), (1715, 11578162), (3430, 5789081)]