19582520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6197}}^1$

素因数の和:6287

約数の個数: 32

約数和(自身を含む): 44625600

約数和(自身を除く): 25043080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6197, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 489563, 979126, 1958252, 2447815, 3916504, 4895630, 9791260, 19582520]

約数ペア:

[(1, 19582520), (2, 9791260), (4, 4895630), (5, 3916504), (8, 2447815), (10, 1958252), (20, 979126), (40, 489563), (79, 247880), (158, 123940), (316, 61970), (395, 49576), (632, 30985), (790, 24788), (1580, 12394), (3160, 6197)]