19008516605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{30139}}^1$

素因数の和:30501

約数の個数: 32

約数和(自身を含む): 25439124480

約数和(自身を除く): 6430607875

約数列:

[1, 5, 13, 31, 65, 155, 313, 403, 1565, 2015, 4069, 9703, 20345, 30139, 48515, 126139, 150695, 391807, 630695, 934309, 1959035, 4671545, 9433507, 12146017, 47167535, 60730085, 122635591, 292438717, 613177955, 1462193585, 3801703321, 19008516605]

約数ペア:

[(1, 19008516605), (5, 3801703321), (13, 1462193585), (31, 613177955), (65, 292438717), (155, 122635591), (313, 60730085), (403, 47167535), (1565, 12146017), (2015, 9433507), (4069, 4671545), (9703, 1959035), (20345, 934309), (30139, 630695), (48515, 391807), (126139, 150695)]