19099120

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1319}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 25585520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1319, 1448, 1810, 2638, 2896, 3620, 5276, 6595, 7240, 10552, 13190, 14480, 21104, 26380, 52760, 105520, 238739, 477478, 954956, 1193695, 1909912, 2387390, 3819824, 4774780, 9549560, 19099120]

約数ペア:

[(1, 19099120), (2, 9549560), (4, 4774780), (5, 3819824), (8, 2387390), (10, 1909912), (16, 1193695), (20, 954956), (40, 477478), (80, 238739), (181, 105520), (362, 52760), (724, 26380), (905, 21104), (1319, 14480), (1448, 13190), (1810, 10552), (2638, 7240), (2896, 6595), (3620, 5276)]