18778858557

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{7727}}^1$

素因数の和:8017

約数の個数: 32

約数和(自身を含む): 25880020992

約数和(自身を除く): 7101162435

約数列:

[1, 3, 67, 107, 113, 201, 321, 339, 7169, 7571, 7727, 12091, 21507, 22713, 23181, 36273, 517709, 810097, 826789, 873151, 1553127, 2430291, 2480367, 2619453, 55394863, 58501117, 93427157, 166184589, 175503351, 280281471, 6259619519, 18778858557]

約数ペア:

[(1, 18778858557), (3, 6259619519), (67, 280281471), (107, 175503351), (113, 166184589), (201, 93427157), (321, 58501117), (339, 55394863), (7169, 2619453), (7571, 2480367), (7727, 2430291), (12091, 1553127), (21507, 873151), (22713, 826789), (23181, 810097), (36273, 517709)]