18437020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1667}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 44835840

約数和(自身を除く): 26398820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1667, 2212, 2765, 3334, 5530, 6668, 8335, 11060, 11669, 16670, 23338, 33340, 46676, 58345, 116690, 131693, 233380, 263386, 526772, 658465, 921851, 1316930, 1843702, 2633860, 3687404, 4609255, 9218510, 18437020]

約数ペア:

[(1, 18437020), (2, 9218510), (4, 4609255), (5, 3687404), (7, 2633860), (10, 1843702), (14, 1316930), (20, 921851), (28, 658465), (35, 526772), (70, 263386), (79, 233380), (140, 131693), (158, 116690), (316, 58345), (395, 46676), (553, 33340), (790, 23338), (1106, 16670), (1580, 11669), (1667, 11060), (2212, 8335), (2765, 6668), (3334, 5530)]