20018153

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 21790080

約数和(自身を除く): 1771927

約数列:

[1, 19, 53, 103, 193, 1007, 1957, 3667, 5459, 10229, 19879, 103721, 194351, 377701, 1053587, 20018153]

約数ペア:

[(1, 20018153), (19, 1053587), (53, 377701), (103, 194351), (193, 103721), (1007, 19879), (1957, 10229), (3667, 5459)]