19202805

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 34494720

約数和(自身を除く): 15291915

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1381, 1545, 2781, 4143, 4635, 6905, 12429, 13905, 20715, 37287, 62145, 142243, 186435, 426729, 711215, 1280187, 2133645, 3840561, 6400935, 19202805]

約数ペア:

[(1, 19202805), (3, 6400935), (5, 3840561), (9, 2133645), (15, 1280187), (27, 711215), (45, 426729), (103, 186435), (135, 142243), (309, 62145), (515, 37287), (927, 20715), (1381, 13905), (1545, 12429), (2781, 6905), (4143, 4635)]