19297860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321631}}^1$

素因数の和:321643

約数の個数: 24

約数和(自身を含む): 54034176

約数和(自身を除く): 34736316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321631, 643262, 964893, 1286524, 1608155, 1929786, 3216310, 3859572, 4824465, 6432620, 9648930, 19297860]

約数ペア:

[(1, 19297860), (2, 9648930), (3, 6432620), (4, 4824465), (5, 3859572), (6, 3216310), (10, 1929786), (12, 1608155), (15, 1286524), (20, 964893), (30, 643262), (60, 321631)]