18943684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4703}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 16618556

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4703, 9406, 18812, 89357, 178714, 249259, 357428, 498518, 997036, 4735921, 9471842, 18943684]

約数ペア:

[(1, 18943684), (2, 9471842), (4, 4735921), (19, 997036), (38, 498518), (53, 357428), (76, 249259), (106, 178714), (212, 89357), (1007, 18812), (2014, 9406), (4028, 4703)]