19088020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136343}}^1$

素因数の和:136359

約数の個数: 24

約数和(自身を含む): 45811584

約数和(自身を除く): 26723564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136343, 272686, 545372, 681715, 954401, 1363430, 1908802, 2726860, 3817604, 4772005, 9544010, 19088020]

約数ペア:

[(1, 19088020), (2, 9544010), (4, 4772005), (5, 3817604), (7, 2726860), (10, 1908802), (14, 1363430), (20, 954401), (28, 681715), (35, 545372), (70, 272686), (140, 136343)]