19789796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 17635228

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 883, 1724, 1766, 3532, 5603, 11206, 11479, 22412, 22958, 45916, 380573, 761146, 1522292, 4947449, 9894898, 19789796]

約数ペア:

[(1, 19789796), (2, 9894898), (4, 4947449), (13, 1522292), (26, 761146), (52, 380573), (431, 45916), (862, 22958), (883, 22412), (1724, 11479), (1766, 11206), (3532, 5603)]