18793880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67121}}^1$

素因数の和:67139

約数の個数: 32

約数和(自身を含む): 48327840

約数和(自身を除く): 29533960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67121, 134242, 268484, 335605, 469847, 536968, 671210, 939694, 1342420, 1879388, 2349235, 2684840, 3758776, 4698470, 9396940, 18793880]

約数ペア:

[(1, 18793880), (2, 9396940), (4, 4698470), (5, 3758776), (7, 2684840), (8, 2349235), (10, 1879388), (14, 1342420), (20, 939694), (28, 671210), (35, 536968), (40, 469847), (56, 335605), (70, 268484), (140, 134242), (280, 67121)]