18523214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5477}}^1$

素因数の和:5587

約数の個数: 16

約数和(自身を含む): 29581200

約数和(自身を除く): 11057986

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5477, 10954, 104063, 208126, 487453, 974906, 9261607, 18523214]

約数ペア:

[(1, 18523214), (2, 9261607), (19, 974906), (38, 487453), (89, 208126), (178, 104063), (1691, 10954), (3382, 5477)]