15880492548

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{3219889}}^1$

素因数の和:3220036

約数の個数: 36

約数和(自身を含む): 40435378620

約数和(自身を除く): 24554886072

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 3219889, 6439778, 9659667, 12879556, 19319334, 28979001, 38638668, 57958002, 115916004, 441124793, 882249586, 1323374379, 1764499172, 2646748758, 3970123137, 5293497516, 7940246274, 15880492548]

約数ペア:

[(1, 15880492548), (2, 7940246274), (3, 5293497516), (4, 3970123137), (6, 2646748758), (9, 1764499172), (12, 1323374379), (18, 882249586), (36, 441124793), (137, 115916004), (274, 57958002), (411, 38638668), (548, 28979001), (822, 19319334), (1233, 12879556), (1644, 9659667), (2466, 6439778), (4932, 3219889)]