19722870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{219143}}^1$

素因数の和:219156

約数の個数: 24

約数和(自身を含む): 51279696

約数和(自身を除く): 31556826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 219143, 438286, 657429, 1095715, 1314858, 1972287, 2191430, 3287145, 3944574, 6574290, 9861435, 19722870]

約数ペア:

[(1, 19722870), (2, 9861435), (3, 6574290), (5, 3944574), (6, 3287145), (9, 2191430), (10, 1972287), (15, 1314858), (18, 1095715), (30, 657429), (45, 438286), (90, 219143)]