18853700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9923}}^1$

素因数の和:9956

約数の個数: 36

約数和(自身を含む): 43070160

約数和(自身を除く): 24216460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 9923, 19846, 39692, 49615, 99230, 188537, 198460, 248075, 377074, 496150, 754148, 942685, 992300, 1885370, 3770740, 4713425, 9426850, 18853700]

約数ペア:

[(1, 18853700), (2, 9426850), (4, 4713425), (5, 3770740), (10, 1885370), (19, 992300), (20, 942685), (25, 754148), (38, 496150), (50, 377074), (76, 248075), (95, 198460), (100, 188537), (190, 99230), (380, 49615), (475, 39692), (950, 19846), (1900, 9923)]