19400986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2267}}^1$

素因数の和:2669

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 12441734

約数列:

[1, 2, 11, 22, 389, 778, 2267, 4279, 4534, 8558, 24937, 49874, 881863, 1763726, 9700493, 19400986]

約数ペア:

[(1, 19400986), (2, 9700493), (11, 1763726), (22, 881863), (389, 49874), (778, 24937), (2267, 8558), (4279, 4534)]