18805360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33581}}^1$

素因数の和:33601

約数の個数: 40

約数和(自身を含む): 49970016

約数和(自身を除く): 31164656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33581, 67162, 134324, 167905, 235067, 268648, 335810, 470134, 537296, 671620, 940268, 1175335, 1343240, 1880536, 2350670, 2686480, 3761072, 4701340, 9402680, 18805360]

約数ペア:

[(1, 18805360), (2, 9402680), (4, 4701340), (5, 3761072), (7, 2686480), (8, 2350670), (10, 1880536), (14, 1343240), (16, 1175335), (20, 940268), (28, 671620), (35, 537296), (40, 470134), (56, 335810), (70, 268648), (80, 235067), (112, 167905), (140, 134324), (280, 67162), (560, 33581)]