2019753580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{408857}}^1$

素因数の和:408898

約数の個数: 48

約数和(自身を含む): 4808170080

約数和(自身を除く): 2788416500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 408857, 817714, 1635428, 2044285, 4088570, 5315141, 7768283, 8177140, 10630282, 15536566, 21260564, 26575705, 31073132, 38841415, 53151410, 77682830, 100987679, 106302820, 155365660, 201975358, 403950716, 504938395, 1009876790, 2019753580]

約数ペア:

[(1, 2019753580), (2, 1009876790), (4, 504938395), (5, 403950716), (10, 201975358), (13, 155365660), (19, 106302820), (20, 100987679), (26, 77682830), (38, 53151410), (52, 38841415), (65, 31073132), (76, 26575705), (95, 21260564), (130, 15536566), (190, 10630282), (247, 8177140), (260, 7768283), (380, 5315141), (494, 4088570), (988, 2044285), (1235, 1635428), (2470, 817714), (4940, 408857)]