19837155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4423}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 15837981

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4423, 4485, 13269, 22115, 57499, 66345, 101729, 172497, 287495, 305187, 508645, 862485, 1322477, 1525935, 3967431, 6612385, 19837155]

約数ペア:

[(1, 19837155), (3, 6612385), (5, 3967431), (13, 1525935), (15, 1322477), (23, 862485), (39, 508645), (65, 305187), (69, 287495), (115, 172497), (195, 101729), (299, 66345), (345, 57499), (897, 22115), (1495, 13269), (4423, 4485)]