18793520

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{677}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 43885584

約数和(自身を除く): 25092064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 677, 694, 1354, 1388, 1735, 2708, 2776, 3385, 3470, 5416, 5552, 6770, 6940, 10832, 13540, 13880, 27080, 27760, 54160, 234919, 469838, 939676, 1174595, 1879352, 2349190, 3758704, 4698380, 9396760, 18793520]

約数ペア:

[(1, 18793520), (2, 9396760), (4, 4698380), (5, 3758704), (8, 2349190), (10, 1879352), (16, 1174595), (20, 939676), (40, 469838), (80, 234919), (347, 54160), (677, 27760), (694, 27080), (1354, 13880), (1388, 13540), (1735, 10832), (2708, 6940), (2776, 6770), (3385, 5552), (3470, 5416)]