18161660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 24803332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2663, 3410, 5326, 6820, 10652, 13315, 26630, 29293, 53260, 58586, 82553, 117172, 146465, 165106, 292930, 330212, 412765, 585860, 825530, 908083, 1651060, 1816166, 3632332, 4540415, 9080830, 18161660]

約数ペア:

[(1, 18161660), (2, 9080830), (4, 4540415), (5, 3632332), (10, 1816166), (11, 1651060), (20, 908083), (22, 825530), (31, 585860), (44, 412765), (55, 330212), (62, 292930), (110, 165106), (124, 146465), (155, 117172), (220, 82553), (310, 58586), (341, 53260), (620, 29293), (682, 26630), (1364, 13315), (1705, 10652), (2663, 6820), (3410, 5326)]