19664520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163871}}^1$

素因数の和:163885

約数の個数: 32

約数和(自身を含む): 58993920

約数和(自身を除く): 39329400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163871, 327742, 491613, 655484, 819355, 983226, 1310968, 1638710, 1966452, 2458065, 3277420, 3932904, 4916130, 6554840, 9832260, 19664520]

約数ペア:

[(1, 19664520), (2, 9832260), (3, 6554840), (4, 4916130), (5, 3932904), (6, 3277420), (8, 2458065), (10, 1966452), (12, 1638710), (15, 1310968), (20, 983226), (24, 819355), (30, 655484), (40, 491613), (60, 327742), (120, 163871)]