17968288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20980832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 919, 1222, 1504, 1838, 2444, 3676, 4888, 7352, 9776, 11947, 14704, 19552, 23894, 29408, 43193, 47788, 86386, 95576, 172772, 191152, 345544, 382304, 561509, 691088, 1123018, 1382176, 2246036, 4492072, 8984144, 17968288]

約数ペア:

[(1, 17968288), (2, 8984144), (4, 4492072), (8, 2246036), (13, 1382176), (16, 1123018), (26, 691088), (32, 561509), (47, 382304), (52, 345544), (94, 191152), (104, 172772), (188, 95576), (208, 86386), (376, 47788), (416, 43193), (611, 29408), (752, 23894), (919, 19552), (1222, 14704), (1504, 11947), (1838, 9776), (2444, 7352), (3676, 4888)]