2018021355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{24359}}^1$

素因数の和:24640

約数の個数: 48

約数和(自身を含む): 4012968960

約数和(自身を除く): 1994947605

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 263, 315, 789, 1315, 1841, 2367, 3945, 5523, 9205, 11835, 16569, 24359, 27615, 73077, 82845, 121795, 170513, 219231, 365385, 511539, 852565, 1096155, 1534617, 2557695, 6406417, 7673085, 19219251, 32032085, 44844919, 57657753, 96096255, 134534757, 224224595, 288288765, 403604271, 672673785, 2018021355]

約数ペア:

[(1, 2018021355), (3, 672673785), (5, 403604271), (7, 288288765), (9, 224224595), (15, 134534757), (21, 96096255), (35, 57657753), (45, 44844919), (63, 32032085), (105, 19219251), (263, 7673085), (315, 6406417), (789, 2557695), (1315, 1534617), (1841, 1096155), (2367, 852565), (3945, 511539), (5523, 365385), (9205, 219231), (11835, 170513), (16569, 121795), (24359, 82845), (27615, 73077)]