18852420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1409}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 34208700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1409, 2230, 2676, 2818, 3345, 4227, 4460, 5636, 6690, 7045, 8454, 13380, 14090, 16908, 21135, 28180, 42270, 84540, 314207, 628414, 942621, 1256828, 1571035, 1885242, 3142070, 3770484, 4713105, 6284140, 9426210, 18852420]

約数ペア:

[(1, 18852420), (2, 9426210), (3, 6284140), (4, 4713105), (5, 3770484), (6, 3142070), (10, 1885242), (12, 1571035), (15, 1256828), (20, 942621), (30, 628414), (60, 314207), (223, 84540), (446, 42270), (669, 28180), (892, 21135), (1115, 16908), (1338, 14090), (1409, 13380), (2230, 8454), (2676, 7045), (2818, 6690), (3345, 5636), (4227, 4460)]