19407147

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 28655616

約数和(自身を除く): 9248469

約数列:

[1, 3, 23, 31, 43, 69, 93, 129, 211, 633, 713, 989, 1333, 2139, 2967, 3999, 4853, 6541, 9073, 14559, 19623, 27219, 30659, 91977, 150443, 208679, 281263, 451329, 626037, 843789, 6469049, 19407147]

約数ペア:

[(1, 19407147), (3, 6469049), (23, 843789), (31, 626037), (43, 451329), (69, 281263), (93, 208679), (129, 150443), (211, 91977), (633, 30659), (713, 27219), (989, 19623), (1333, 14559), (2139, 9073), (2967, 6541), (3999, 4853)]