19893008

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12071}}^1$

素因数の和:12182

約数の個数: 20

約数和(自身を含む): 38920128

約数和(自身を除く): 19027120

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12071, 24142, 48284, 96568, 193136, 1243313, 2486626, 4973252, 9946504, 19893008]

約数ペア:

[(1, 19893008), (2, 9946504), (4, 4973252), (8, 2486626), (16, 1243313), (103, 193136), (206, 96568), (412, 48284), (824, 24142), (1648, 12071)]