18273868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 33530112

約数和(自身を除く): 15256244

約数列:

[1, 2, 4, 23, 46, 92, 307, 614, 647, 1228, 1294, 2588, 7061, 14122, 14881, 28244, 29762, 59524, 198629, 397258, 794516, 4568467, 9136934, 18273868]

約数ペア:

[(1, 18273868), (2, 9136934), (4, 4568467), (23, 794516), (46, 397258), (92, 198629), (307, 59524), (614, 29762), (647, 28244), (1228, 14881), (1294, 14122), (2588, 7061)]