19818005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2179}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 25427520

約数和(自身を除く): 5609515

約数列:

[1, 5, 17, 85, 107, 535, 1819, 2179, 9095, 10895, 37043, 185215, 233153, 1165765, 3963601, 19818005]

約数ペア:

[(1, 19818005), (5, 3963601), (17, 1165765), (85, 233153), (107, 185215), (535, 37043), (1819, 10895), (2179, 9095)]