18916804562

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1\times {\mathrm{4327}}^1$

素因数の和:5126

約数の個数: 32

約数和(自身を含む): 29615984640

約数和(自身を除く): 10699180078

約数列:

[1, 2, 31, 62, 107, 214, 659, 1318, 3317, 4327, 6634, 8654, 20429, 40858, 70513, 134137, 141026, 268274, 462989, 925978, 2185903, 2851493, 4371806, 5702986, 14352659, 28705318, 88396283, 176792566, 305109751, 610219502, 9458402281, 18916804562]

約数ペア:

[(1, 18916804562), (2, 9458402281), (31, 610219502), (62, 305109751), (107, 176792566), (214, 88396283), (659, 28705318), (1318, 14352659), (3317, 5702986), (4327, 4371806), (6634, 2851493), (8654, 2185903), (20429, 925978), (40858, 462989), (70513, 268274), (134137, 141026)]