19880805567

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1050727}}^1$

素因数の和:1050807

約数の個数: 32

約数和(自身を含む): 32681843712

約数和(自身を除く): 12801038145

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 6307, 18921, 1050727, 3152181, 7355089, 17862359, 22065267, 53587077, 55688531, 125036513, 167065593, 375109539, 389819717, 946705027, 1169459151, 2840115081, 6626935189, 19880805567]

約数ペア:

[(1, 19880805567), (3, 6626935189), (7, 2840115081), (17, 1169459151), (21, 946705027), (51, 389819717), (53, 375109539), (119, 167065593), (159, 125036513), (357, 55688531), (371, 53587077), (901, 22065267), (1113, 17862359), (2703, 7355089), (6307, 3152181), (18921, 1050727)]