18744020

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2447}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 39481344

約数和(自身を除く): 20737324

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2447, 3830, 4894, 7660, 9788, 12235, 24470, 48940, 937201, 1874402, 3748804, 4686005, 9372010, 18744020]

約数ペア:

[(1, 18744020), (2, 9372010), (4, 4686005), (5, 3748804), (10, 1874402), (20, 937201), (383, 48940), (766, 24470), (1532, 12235), (1915, 9788), (2447, 7660), (3830, 4894)]