19242760

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1567}}^1$

素因数の和:1885

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 24222200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 1567, 2456, 3070, 3134, 6140, 6268, 7835, 12280, 12536, 15670, 31340, 62680, 481069, 962138, 1924276, 2405345, 3848552, 4810690, 9621380, 19242760]

約数ペア:

[(1, 19242760), (2, 9621380), (4, 4810690), (5, 3848552), (8, 2405345), (10, 1924276), (20, 962138), (40, 481069), (307, 62680), (614, 31340), (1228, 15670), (1535, 12536), (1567, 12280), (2456, 7835), (3070, 6268), (3134, 6140)]