19640385770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115531681}}^1$

素因数の和:115531705

約数の個数: 16

約数和(自身を含む): 37432264968

約数和(自身を除く): 17791879198

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 115531681, 231063362, 577658405, 1155316810, 1964038577, 3928077154, 9820192885, 19640385770]

約数ペア:

[(1, 19640385770), (2, 9820192885), (5, 3928077154), (10, 1964038577), (17, 1155316810), (34, 577658405), (85, 231063362), (170, 115531681)]