18894023185

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1\times {\mathrm{1553}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 23329319328

約数和(自身を除く): 4435296143

約数列:

[1, 5, 61, 113, 305, 353, 565, 1553, 1765, 6893, 7765, 21533, 34465, 39889, 94733, 107665, 175489, 199445, 473665, 548209, 877445, 2433229, 2741045, 10704829, 12166145, 33440749, 53524145, 61947617, 167203745, 309738085, 3778804637, 18894023185]

約数ペア:

[(1, 18894023185), (5, 3778804637), (61, 309738085), (113, 167203745), (305, 61947617), (353, 53524145), (565, 33440749), (1553, 12166145), (1765, 10704829), (6893, 2741045), (7765, 2433229), (21533, 877445), (34465, 548209), (39889, 473665), (94733, 199445), (107665, 175489)]