19920664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1579}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 39816000

約数和(自身を除く): 19895336

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 1579, 3154, 3158, 6308, 6316, 12616, 12632, 30001, 60002, 120004, 131057, 240008, 262114, 524228, 1048456, 2490083, 4980166, 9960332, 19920664]

約数ペア:

[(1, 19920664), (2, 9960332), (4, 4980166), (8, 2490083), (19, 1048456), (38, 524228), (76, 262114), (83, 240008), (152, 131057), (166, 120004), (332, 60002), (664, 30001), (1577, 12632), (1579, 12616), (3154, 6316), (3158, 6308)]