18294040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26903}}^1$

素因数の和:26931

約数の個数: 32

約数和(自身を含む): 43584480

約数和(自身を除く): 25290440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26903, 53806, 107612, 134515, 215224, 269030, 457351, 538060, 914702, 1076120, 1829404, 2286755, 3658808, 4573510, 9147020, 18294040]

約数ペア:

[(1, 18294040), (2, 9147020), (4, 4573510), (5, 3658808), (8, 2286755), (10, 1829404), (17, 1076120), (20, 914702), (34, 538060), (40, 457351), (68, 269030), (85, 215224), (136, 134515), (170, 107612), (340, 53806), (680, 26903)]