19946451

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 32283648

約数和(自身を除く): 12337197

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 677, 1281, 1403, 2031, 4209, 4739, 9821, 14217, 15571, 29463, 41297, 46713, 108997, 123891, 289079, 326991, 867237, 949831, 2849493, 6648817, 19946451]

約数ペア:

[(1, 19946451), (3, 6648817), (7, 2849493), (21, 949831), (23, 867237), (61, 326991), (69, 289079), (161, 123891), (183, 108997), (427, 46713), (483, 41297), (677, 29463), (1281, 15571), (1403, 14217), (2031, 9821), (4209, 4739)]