18421970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263171}}^1$

素因数の和:263185

約数の個数: 16

約数和(自身を含む): 37896768

約数和(自身を除く): 19474798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263171, 526342, 1315855, 1842197, 2631710, 3684394, 9210985, 18421970]

約数ペア:

[(1, 18421970), (2, 9210985), (5, 3684394), (7, 2631710), (10, 1842197), (14, 1315855), (35, 526342), (70, 263171)]