18621154790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{289463}}^1$

素因数の和:290396

約数の個数: 32

約数和(自身を含む): 38348190720

約数和(自身を除く): 19727035930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 919, 1838, 4595, 6433, 9190, 12866, 32165, 64330, 289463, 578926, 1447315, 2026241, 2894630, 4052482, 10131205, 20262410, 266016497, 532032994, 1330082485, 1862115479, 2660164970, 3724230958, 9310577395, 18621154790]

約数ペア:

[(1, 18621154790), (2, 9310577395), (5, 3724230958), (7, 2660164970), (10, 1862115479), (14, 1330082485), (35, 532032994), (70, 266016497), (919, 20262410), (1838, 10131205), (4595, 4052482), (6433, 2894630), (9190, 2026241), (12866, 1447315), (32165, 578926), (64330, 289463)]