20181902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{33749}}^1$

素因数の和:33787

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 13838098

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 33749, 67498, 438737, 776227, 877474, 1552454, 10090951, 20181902]

約数ペア:

[(1, 20181902), (2, 10090951), (13, 1552454), (23, 877474), (26, 776227), (46, 438737), (299, 67498), (598, 33749)]