18059216

素因数分解:

$2^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 40187904

約数和(自身を除く): 22128688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 383, 421, 766, 842, 1532, 1684, 2681, 2947, 3064, 3368, 5362, 5894, 6128, 6736, 10724, 11788, 21448, 23576, 42896, 47152, 161243, 322486, 644972, 1128701, 1289944, 2257402, 2579888, 4514804, 9029608, 18059216]

約数ペア:

[(1, 18059216), (2, 9029608), (4, 4514804), (7, 2579888), (8, 2257402), (14, 1289944), (16, 1128701), (28, 644972), (56, 322486), (112, 161243), (383, 47152), (421, 42896), (766, 23576), (842, 21448), (1532, 11788), (1684, 10724), (2681, 6736), (2947, 6128), (3064, 5894), (3368, 5362)]