18778820536

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1\times {\mathrm{5003}}^1$

素因数の和:5804

約数の個数: 64

約数和(自身を含む): 40722151680

約数和(自身を除く): 21943331144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 691, 776, 1358, 1382, 2716, 2764, 4837, 5003, 5432, 5528, 9674, 10006, 19348, 20012, 35021, 38696, 40024, 67027, 70042, 134054, 140084, 268108, 280168, 469189, 485291, 536216, 938378, 970582, 1876756, 1941164, 3397037, 3457073, 3753512, 3882328, 6794074, 6914146, 13588148, 13828292, 24199511, 27176296, 27656584, 48399022, 96798044, 193596088, 335336081, 670672162, 1341344324, 2347352567, 2682688648, 4694705134, 9389410268, 18778820536]

約数ペア:

[(1, 18778820536), (2, 9389410268), (4, 4694705134), (7, 2682688648), (8, 2347352567), (14, 1341344324), (28, 670672162), (56, 335336081), (97, 193596088), (194, 96798044), (388, 48399022), (679, 27656584), (691, 27176296), (776, 24199511), (1358, 13828292), (1382, 13588148), (2716, 6914146), (2764, 6794074), (4837, 3882328), (5003, 3753512), (5432, 3457073), (5528, 3397037), (9674, 1941164), (10006, 1876756), (19348, 970582), (20012, 938378), (35021, 536216), (38696, 485291), (40024, 469189), (67027, 280168), (70042, 268108), (134054, 140084)]