18647926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 13746314

約数列:

[1, 2, 11, 22, 31, 37, 62, 74, 341, 407, 682, 739, 814, 1147, 1478, 2294, 8129, 12617, 16258, 22909, 25234, 27343, 45818, 54686, 251999, 300773, 503998, 601546, 847633, 1695266, 9323963, 18647926]

約数ペア:

[(1, 18647926), (2, 9323963), (11, 1695266), (22, 847633), (31, 601546), (37, 503998), (62, 300773), (74, 251999), (341, 54686), (407, 45818), (682, 27343), (739, 25234), (814, 22909), (1147, 16258), (1478, 12617), (2294, 8129)]