19221618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 41602176

約数和(自身を除く): 22380558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 937, 1578, 1874, 2811, 3419, 5622, 6838, 10257, 12181, 20514, 24362, 36543, 73086, 246431, 492862, 739293, 1478586, 3203603, 6407206, 9610809, 19221618]

約数ペア:

[(1, 19221618), (2, 9610809), (3, 6407206), (6, 3203603), (13, 1478586), (26, 739293), (39, 492862), (78, 246431), (263, 73086), (526, 36543), (789, 24362), (937, 20514), (1578, 12181), (1874, 10257), (2811, 6838), (3419, 5622)]