18867394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 16412606

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 182, 581, 1079, 1162, 1249, 2158, 2498, 7553, 8743, 15106, 16237, 17486, 32474, 103667, 113659, 207334, 227318, 725669, 1347671, 1451338, 2695342, 9433697, 18867394]

約数ペア:

[(1, 18867394), (2, 9433697), (7, 2695342), (13, 1451338), (14, 1347671), (26, 725669), (83, 227318), (91, 207334), (166, 113659), (182, 103667), (581, 32474), (1079, 17486), (1162, 16237), (1249, 15106), (2158, 8743), (2498, 7553)]