19953015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{45869}}^1$

素因数の和:45906

約数の個数: 16

約数和(自身を含む): 33026400

約数和(自身を除く): 13073385

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 45869, 137607, 229345, 688035, 1330201, 3990603, 6651005, 19953015]

約数ペア:

[(1, 19953015), (3, 6651005), (5, 3990603), (15, 1330201), (29, 688035), (87, 229345), (145, 137607), (435, 45869)]