17491540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^3$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 41025600

約数和(自身を除く): 23534060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1849, 1892, 2365, 3698, 4730, 7396, 9245, 9460, 18490, 20339, 36980, 40678, 79507, 81356, 101695, 159014, 203390, 318028, 397535, 406780, 795070, 874577, 1590140, 1749154, 3498308, 4372885, 8745770, 17491540]

約数ペア:

[(1, 17491540), (2, 8745770), (4, 4372885), (5, 3498308), (10, 1749154), (11, 1590140), (20, 874577), (22, 795070), (43, 406780), (44, 397535), (55, 318028), (86, 203390), (110, 159014), (172, 101695), (215, 81356), (220, 79507), (430, 40678), (473, 36980), (860, 20339), (946, 18490), (1849, 9460), (1892, 9245), (2365, 7396), (3698, 4730)]