19814588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 36915984

約数和(自身を除く): 17101396

約数列:

[1, 2, 4, 17, 34, 68, 211, 422, 844, 1381, 2762, 3587, 5524, 7174, 14348, 23477, 46954, 93908, 291391, 582782, 1165564, 4953647, 9907294, 19814588]

約数ペア:

[(1, 19814588), (2, 9907294), (4, 4953647), (17, 1165564), (34, 582782), (68, 291391), (211, 93908), (422, 46954), (844, 23477), (1381, 14348), (2762, 7174), (3587, 5524)]