19784040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 59918400

約数和(自身を除く): 40134360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1459, 1695, 2260, 2712, 2918, 3390, 4377, 4520, 5836, 6780, 7295, 8754, 11672, 13560, 14590, 17508, 21885, 29180, 35016, 43770, 58360, 87540, 164867, 175080, 329734, 494601, 659468, 824335, 989202, 1318936, 1648670, 1978404, 2473005, 3297340, 3956808, 4946010, 6594680, 9892020, 19784040]

約数ペア:

[(1, 19784040), (2, 9892020), (3, 6594680), (4, 4946010), (5, 3956808), (6, 3297340), (8, 2473005), (10, 1978404), (12, 1648670), (15, 1318936), (20, 989202), (24, 824335), (30, 659468), (40, 494601), (60, 329734), (113, 175080), (120, 164867), (226, 87540), (339, 58360), (452, 43770), (565, 35016), (678, 29180), (904, 21885), (1130, 17508), (1356, 14590), (1459, 13560), (1695, 11672), (2260, 8754), (2712, 7295), (2918, 6780), (3390, 5836), (4377, 4520)]