18977985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32441}}^1$

素因数の和:32465

約数の個数: 24

約数和(自身を含む): 35426664

約数和(自身を除く): 16448679

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 32441, 97323, 162205, 291969, 421733, 486615, 1265199, 1459845, 2108665, 3795597, 6325995, 18977985]

約数ペア:

[(1, 18977985), (3, 6325995), (5, 3795597), (9, 2108665), (13, 1459845), (15, 1265199), (39, 486615), (45, 421733), (65, 291969), (117, 162205), (195, 97323), (585, 32441)]