18968079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3654

約数の個数: 16

約数和(自身を含む): 27440000

約数和(自身を除く): 8471921

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3499, 5421, 10497, 45487, 136461, 486361, 1459083, 6322693, 18968079]

約数ペア:

[(1, 18968079), (3, 6322693), (13, 1459083), (39, 486361), (139, 136461), (417, 45487), (1807, 10497), (3499, 5421)]