18929415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 33765120

約数和(自身を除く): 14835705

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 3907, 4845, 11721, 19535, 58605, 66419, 74233, 199257, 222699, 332095, 371165, 996285, 1113495, 1261961, 3785883, 6309805, 18929415]

約数ペア:

[(1, 18929415), (3, 6309805), (5, 3785883), (15, 1261961), (17, 1113495), (19, 996285), (51, 371165), (57, 332095), (85, 222699), (95, 199257), (255, 74233), (285, 66419), (323, 58605), (969, 19535), (1615, 11721), (3907, 4845)]