19896390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221071}}^1$

素因数の和:221084

約数の個数: 24

約数和(自身を含む): 51730848

約数和(自身を除く): 31834458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221071, 442142, 663213, 1105355, 1326426, 1989639, 2210710, 3316065, 3979278, 6632130, 9948195, 19896390]

約数ペア:

[(1, 19896390), (2, 9948195), (3, 6632130), (5, 3979278), (6, 3316065), (9, 2210710), (10, 1989639), (15, 1326426), (18, 1105355), (30, 663213), (45, 442142), (90, 221071)]