17963240

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1879}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 22644760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1879, 1912, 2390, 3758, 4780, 7516, 9395, 9560, 15032, 18790, 37580, 75160, 449081, 898162, 1796324, 2245405, 3592648, 4490810, 8981620, 17963240]

約数ペア:

[(1, 17963240), (2, 8981620), (4, 4490810), (5, 3592648), (8, 2245405), (10, 1796324), (20, 898162), (40, 449081), (239, 75160), (478, 37580), (956, 18790), (1195, 15032), (1879, 9560), (1912, 9395), (2390, 7516), (3758, 4780)]