18519180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3907}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 52523520

約数和(自身を除く): 34004340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 3907, 4740, 7814, 11721, 15628, 19535, 23442, 39070, 46884, 58605, 78140, 117210, 234420, 308653, 617306, 925959, 1234612, 1543265, 1851918, 3086530, 3703836, 4629795, 6173060, 9259590, 18519180]

約数ペア:

[(1, 18519180), (2, 9259590), (3, 6173060), (4, 4629795), (5, 3703836), (6, 3086530), (10, 1851918), (12, 1543265), (15, 1234612), (20, 925959), (30, 617306), (60, 308653), (79, 234420), (158, 117210), (237, 78140), (316, 58605), (395, 46884), (474, 39070), (790, 23442), (948, 19535), (1185, 15628), (1580, 11721), (2370, 7814), (3907, 4740)]