31939310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18899}}^1$

素因数の和:18932

約数の個数: 24

約数和(自身を含む): 62256600

約数和(自身を除く): 30317290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18899, 37798, 94495, 188990, 245687, 491374, 1228435, 2456870, 3193931, 6387862, 15969655, 31939310]

約数ペア:

[(1, 31939310), (2, 15969655), (5, 6387862), (10, 3193931), (13, 2456870), (26, 1228435), (65, 491374), (130, 245687), (169, 188990), (338, 94495), (845, 37798), (1690, 18899)]