187870892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{388163}}^1$

素因数の和:388189

約数の個数: 18

約数和(自身を含む): 361380684

約数和(自身を除く): 173509792

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 388163, 776326, 1552652, 4269793, 8539586, 17079172, 46967723, 93935446, 187870892]

約数ペア:

[(1, 187870892), (2, 93935446), (4, 46967723), (11, 17079172), (22, 8539586), (44, 4269793), (121, 1552652), (242, 776326), (484, 388163)]