19465136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71563}}^1$

素因数の和:71588

約数の個数: 20

約数和(自身を含む): 39932712

約数和(自身を除く): 20467576

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71563, 143126, 286252, 572504, 1145008, 1216571, 2433142, 4866284, 9732568, 19465136]

約数ペア:

[(1, 19465136), (2, 9732568), (4, 4866284), (8, 2433142), (16, 1216571), (17, 1145008), (34, 572504), (68, 286252), (136, 143126), (272, 71563)]