18177718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13755722

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1187, 2374, 7657, 15314, 15431, 22553, 30862, 36797, 45106, 73594, 293189, 478361, 586378, 699143, 956722, 1398286, 9088859, 18177718]

約数ペア:

[(1, 18177718), (2, 9088859), (13, 1398286), (19, 956722), (26, 699143), (31, 586378), (38, 478361), (62, 293189), (247, 73594), (403, 45106), (494, 36797), (589, 30862), (806, 22553), (1178, 15431), (1187, 15314), (2374, 7657)]