19953885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6553}}^1$

素因数の和:6597

約数の個数: 32

約数和(自身を含む): 37751040

約数和(自身を除く): 17797155

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6553, 19659, 32765, 45871, 98295, 137613, 190037, 229355, 570111, 688065, 950185, 1330259, 2850555, 3990777, 6651295, 19953885]

約数ペア:

[(1, 19953885), (3, 6651295), (5, 3990777), (7, 2850555), (15, 1330259), (21, 950185), (29, 688065), (35, 570111), (87, 229355), (105, 190037), (145, 137613), (203, 98295), (435, 45871), (609, 32765), (1015, 19659), (3045, 6553)]