19958580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110881}}^1$

素因数の和:110896

約数の個数: 36

約数和(自身を含む): 60541572

約数和(自身を除く): 40582992

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110881, 221762, 332643, 443524, 554405, 665286, 997929, 1108810, 1330572, 1663215, 1995858, 2217620, 3326430, 3991716, 4989645, 6652860, 9979290, 19958580]

約数ペア:

[(1, 19958580), (2, 9979290), (3, 6652860), (4, 4989645), (5, 3991716), (6, 3326430), (9, 2217620), (10, 1995858), (12, 1663215), (15, 1330572), (18, 1108810), (20, 997929), (30, 665286), (36, 554405), (45, 443524), (60, 332643), (90, 221762), (180, 110881)]