19552143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 9720177

約数列:

[1, 3, 13, 39, 43, 89, 129, 131, 267, 393, 559, 1157, 1677, 1703, 3471, 3827, 5109, 5633, 11481, 11659, 16899, 34977, 49751, 73229, 149253, 151567, 219687, 454701, 501337, 1504011, 6517381, 19552143]

約数ペア:

[(1, 19552143), (3, 6517381), (13, 1504011), (39, 501337), (43, 454701), (89, 219687), (129, 151567), (131, 149253), (267, 73229), (393, 49751), (559, 34977), (1157, 16899), (1677, 11659), (1703, 11481), (3471, 5633), (3827, 5109)]