19565840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34939}}^1$

素因数の和:34959

約数の個数: 40

約数和(自身を含む): 51990720

約数和(自身を除く): 32424880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34939, 69878, 139756, 174695, 244573, 279512, 349390, 489146, 559024, 698780, 978292, 1222865, 1397560, 1956584, 2445730, 2795120, 3913168, 4891460, 9782920, 19565840]

約数ペア:

[(1, 19565840), (2, 9782920), (4, 4891460), (5, 3913168), (7, 2795120), (8, 2445730), (10, 1956584), (14, 1397560), (16, 1222865), (20, 978292), (28, 698780), (35, 559024), (40, 489146), (56, 349390), (70, 279512), (80, 244573), (112, 174695), (140, 139756), (280, 69878), (560, 34939)]