19181786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10391}}^1$

素因数の和:10477

約数の個数: 16

約数和(自身を含む): 31425408

約数和(自身を除く): 12243622

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10391, 20782, 135083, 270166, 737761, 1475522, 9590893, 19181786]

約数ペア:

[(1, 19181786), (2, 9590893), (13, 1475522), (26, 737761), (71, 270166), (142, 135083), (923, 20782), (1846, 10391)]