18399260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7603}}^1$

素因数の和:7634

約数の個数: 36

約数和(自身を含む): 42475944

約数和(自身を除く): 24076684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7603, 15206, 30412, 38015, 76030, 83633, 152060, 167266, 334532, 418165, 836330, 919963, 1672660, 1839926, 3679852, 4599815, 9199630, 18399260]

約数ペア:

[(1, 18399260), (2, 9199630), (4, 4599815), (5, 3679852), (10, 1839926), (11, 1672660), (20, 919963), (22, 836330), (44, 418165), (55, 334532), (110, 167266), (121, 152060), (220, 83633), (242, 76030), (484, 38015), (605, 30412), (1210, 15206), (2420, 7603)]