18343664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 37914240

約数和(自身を除く): 19570576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 727, 1328, 1454, 1577, 2908, 3154, 5816, 6308, 11632, 12616, 13813, 25232, 27626, 55252, 60341, 110504, 120682, 221008, 241364, 482728, 965456, 1146479, 2292958, 4585916, 9171832, 18343664]

約数ペア:

[(1, 18343664), (2, 9171832), (4, 4585916), (8, 2292958), (16, 1146479), (19, 965456), (38, 482728), (76, 241364), (83, 221008), (152, 120682), (166, 110504), (304, 60341), (332, 55252), (664, 27626), (727, 25232), (1328, 13813), (1454, 12616), (1577, 11632), (2908, 6308), (3154, 5816)]