17986345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 6834647

約数列:

[1, 5, 13, 23, 53, 65, 115, 227, 265, 299, 689, 1135, 1219, 1495, 2951, 3445, 5221, 6095, 12031, 14755, 15847, 26105, 60155, 67873, 79235, 156403, 276713, 339365, 782015, 1383565, 3597269, 17986345]

約数ペア:

[(1, 17986345), (5, 3597269), (13, 1383565), (23, 782015), (53, 339365), (65, 276713), (115, 156403), (227, 79235), (265, 67873), (299, 60155), (689, 26105), (1135, 15847), (1219, 14755), (1495, 12031), (2951, 6095), (3445, 5221)]