15981904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{58757}}^1$

素因数の和:58782

約数の個数: 20

約数和(自身を含む): 32786964

約数和(自身を除く): 16805060

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 58757, 117514, 235028, 470056, 940112, 998869, 1997738, 3995476, 7990952, 15981904]

約数ペア:

[(1, 15981904), (2, 7990952), (4, 3995476), (8, 1997738), (16, 998869), (17, 940112), (34, 470056), (68, 235028), (136, 117514), (272, 58757)]