18855538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31531}}^1$

素因数の和:31569

約数の個数: 16

約数和(自身を含む): 31784256

約数和(自身を除く): 12928718

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31531, 63062, 409903, 725213, 819806, 1450426, 9427769, 18855538]

約数ペア:

[(1, 18855538), (2, 9427769), (13, 1450426), (23, 819806), (26, 725213), (46, 409903), (299, 63062), (598, 31531)]