18861572

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{70379}}^1$

素因数の和:70450

約数の個数: 12

約数和(自身を含む): 33500880

約数和(自身を除く): 14639308

約数列:

[1, 2, 4, 67, 134, 268, 70379, 140758, 281516, 4715393, 9430786, 18861572]

約数ペア:

[(1, 18861572), (2, 9430786), (4, 4715393), (67, 281516), (134, 140758), (268, 70379)]