19942290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221581}}^1$

素因数の和:221594

約数の個数: 24

約数和(自身を含む): 51850188

約数和(自身を除く): 31907898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221581, 443162, 664743, 1107905, 1329486, 1994229, 2215810, 3323715, 3988458, 6647430, 9971145, 19942290]

約数ペア:

[(1, 19942290), (2, 9971145), (3, 6647430), (5, 3988458), (6, 3323715), (9, 2215810), (10, 1994229), (15, 1329486), (18, 1107905), (30, 664743), (45, 443162), (90, 221581)]