18676910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1063}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 19933522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1063, 1255, 1757, 2126, 2510, 3514, 5315, 7441, 8785, 10630, 14882, 17570, 37205, 74410, 266813, 533626, 1334065, 1867691, 2668130, 3735382, 9338455, 18676910]

約数ペア:

[(1, 18676910), (2, 9338455), (5, 3735382), (7, 2668130), (10, 1867691), (14, 1334065), (35, 533626), (70, 266813), (251, 74410), (502, 37205), (1063, 17570), (1255, 14882), (1757, 10630), (2126, 8785), (2510, 7441), (3514, 5315)]