19462040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2879}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 27971560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2879, 3380, 5758, 6760, 11516, 14395, 23032, 28790, 37427, 57580, 74854, 115160, 149708, 187135, 299416, 374270, 486551, 748540, 973102, 1497080, 1946204, 2432755, 3892408, 4865510, 9731020, 19462040]

約数ペア:

[(1, 19462040), (2, 9731020), (4, 4865510), (5, 3892408), (8, 2432755), (10, 1946204), (13, 1497080), (20, 973102), (26, 748540), (40, 486551), (52, 374270), (65, 299416), (104, 187135), (130, 149708), (169, 115160), (260, 74854), (338, 57580), (520, 37427), (676, 28790), (845, 23032), (1352, 14395), (1690, 11516), (2879, 6760), (3380, 5758)]