19665420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327757}}^1$

素因数の和:327769

約数の個数: 24

約数和(自身を含む): 55063344

約数和(自身を除く): 35397924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327757, 655514, 983271, 1311028, 1638785, 1966542, 3277570, 3933084, 4916355, 6555140, 9832710, 19665420]

約数ペア:

[(1, 19665420), (2, 9832710), (3, 6555140), (4, 4916355), (5, 3933084), (6, 3277570), (10, 1966542), (12, 1638785), (15, 1311028), (20, 983271), (30, 655514), (60, 327757)]