18921100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 45497088

約数和(自身を除く): 26575988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 167, 206, 220, 275, 334, 412, 515, 550, 668, 835, 1030, 1100, 1133, 1670, 1837, 2060, 2266, 2575, 3340, 3674, 4175, 4532, 5150, 5665, 7348, 8350, 9185, 10300, 11330, 16700, 17201, 18370, 22660, 28325, 34402, 36740, 45925, 56650, 68804, 86005, 91850, 113300, 172010, 183700, 189211, 344020, 378422, 430025, 756844, 860050, 946055, 1720100, 1892110, 3784220, 4730275, 9460550, 18921100]

約数ペア:

[(1, 18921100), (2, 9460550), (4, 4730275), (5, 3784220), (10, 1892110), (11, 1720100), (20, 946055), (22, 860050), (25, 756844), (44, 430025), (50, 378422), (55, 344020), (100, 189211), (103, 183700), (110, 172010), (167, 113300), (206, 91850), (220, 86005), (275, 68804), (334, 56650), (412, 45925), (515, 36740), (550, 34402), (668, 28325), (835, 22660), (1030, 18370), (1100, 17201), (1133, 16700), (1670, 11330), (1837, 10300), (2060, 9185), (2266, 8350), (2575, 7348), (3340, 5665), (3674, 5150), (4175, 4532)]