18986781699

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{3877}}^1\times {\mathrm{5851}}^1$

素因数の和:9768

約数の個数: 32

約数和(自身を含む): 29048391680

約数和(自身を除く): 10061609981

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 3877, 5851, 11631, 17553, 34893, 52659, 104679, 120187, 157977, 181381, 360561, 544143, 1081683, 1632429, 3245049, 4897287, 22684327, 68052981, 204158943, 612476829, 703214137, 2109642411, 6328927233, 18986781699]

約数ペア:

[(1, 18986781699), (3, 6328927233), (9, 2109642411), (27, 703214137), (31, 612476829), (93, 204158943), (279, 68052981), (837, 22684327), (3877, 4897287), (5851, 3245049), (11631, 1632429), (17553, 1081683), (34893, 544143), (52659, 360561), (104679, 181381), (120187, 157977)]