19996380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111091}}^1$

素因数の和:111106

約数の個数: 36

約数和(自身を含む): 60656232

約数和(自身を除く): 40659852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111091, 222182, 333273, 444364, 555455, 666546, 999819, 1110910, 1333092, 1666365, 1999638, 2221820, 3332730, 3999276, 4999095, 6665460, 9998190, 19996380]

約数ペア:

[(1, 19996380), (2, 9998190), (3, 6665460), (4, 4999095), (5, 3999276), (6, 3332730), (9, 2221820), (10, 1999638), (12, 1666365), (15, 1333092), (18, 1110910), (20, 999819), (30, 666546), (36, 555455), (45, 444364), (60, 333273), (90, 222182), (180, 111091)]