15861816

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{12959}}^1$

素因数の和:12988

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 29627784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 12959, 25918, 38877, 51836, 77754, 103672, 116631, 155508, 220303, 233262, 311016, 440606, 466524, 660909, 881212, 933048, 1321818, 1762424, 1982727, 2643636, 3965454, 5287272, 7930908, 15861816]

約数ペア:

[(1, 15861816), (2, 7930908), (3, 5287272), (4, 3965454), (6, 2643636), (8, 1982727), (9, 1762424), (12, 1321818), (17, 933048), (18, 881212), (24, 660909), (34, 466524), (36, 440606), (51, 311016), (68, 233262), (72, 220303), (102, 155508), (136, 116631), (153, 103672), (204, 77754), (306, 51836), (408, 38877), (612, 25918), (1224, 12959)]