19841310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 51807600

約数和(自身を除く): 31966290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 491, 898, 982, 1347, 1473, 2245, 2455, 2694, 2946, 4041, 4419, 4490, 4910, 6735, 7365, 8082, 8838, 13470, 14730, 20205, 22095, 40410, 44190, 220459, 440918, 661377, 1102295, 1322754, 1984131, 2204590, 3306885, 3968262, 6613770, 9920655, 19841310]

約数ペア:

[(1, 19841310), (2, 9920655), (3, 6613770), (5, 3968262), (6, 3306885), (9, 2204590), (10, 1984131), (15, 1322754), (18, 1102295), (30, 661377), (45, 440918), (90, 220459), (449, 44190), (491, 40410), (898, 22095), (982, 20205), (1347, 14730), (1473, 13470), (2245, 8838), (2455, 8082), (2694, 7365), (2946, 6735), (4041, 4910), (4419, 4490)]