18086260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11447}}^1$

素因数の和:11535

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 20379020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11447, 22894, 45788, 57235, 114470, 228940, 904313, 1808626, 3617252, 4521565, 9043130, 18086260]

約数ペア:

[(1, 18086260), (2, 9043130), (4, 4521565), (5, 3617252), (10, 1808626), (20, 904313), (79, 228940), (158, 114470), (316, 57235), (395, 45788), (790, 22894), (1580, 11447)]