18715660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5741}}^1$

素因数の和:5913

約数の個数: 24

約数和(自身を含む): 39550896

約数和(自身を除く): 20835236

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5741, 11482, 22964, 28705, 57410, 114820, 935783, 1871566, 3743132, 4678915, 9357830, 18715660]

約数ペア:

[(1, 18715660), (2, 9357830), (4, 4678915), (5, 3743132), (10, 1871566), (20, 935783), (163, 114820), (326, 57410), (652, 28705), (815, 22964), (1630, 11482), (3260, 5741)]