17681917

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 20570112

約数和(自身を除く): 2888195

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1487, 11891, 16357, 34201, 69889, 376211, 768779, 1607447, 17681917]

約数ペア:

[(1, 17681917), (11, 1607447), (23, 768779), (47, 376211), (253, 69889), (517, 34201), (1081, 16357), (1487, 11891)]