18930040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16319}}^1$

素因数の和:16359

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 25133960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16319, 32638, 65276, 81595, 130552, 163190, 326380, 473251, 652760, 946502, 1893004, 2366255, 3786008, 4732510, 9465020, 18930040]

約数ペア:

[(1, 18930040), (2, 9465020), (4, 4732510), (5, 3786008), (8, 2366255), (10, 1893004), (20, 946502), (29, 652760), (40, 473251), (58, 326380), (116, 163190), (145, 130552), (232, 81595), (290, 65276), (580, 32638), (1160, 16319)]