19819736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 19794664

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1571, 1577, 3142, 3154, 6284, 6308, 12568, 12616, 29849, 59698, 119396, 130393, 238792, 260786, 521572, 1043144, 2477467, 4954934, 9909868, 19819736]

約数ペア:

[(1, 19819736), (2, 9909868), (4, 4954934), (8, 2477467), (19, 1043144), (38, 521572), (76, 260786), (83, 238792), (152, 130393), (166, 119396), (332, 59698), (664, 29849), (1571, 12616), (1577, 12568), (3142, 6308), (3154, 6284)]