18878902578

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8130449}}^1$

素因数の和:8130503

約数の個数: 32

約数和(自身を含む): 42928776000

約数和(自身を除く): 24049873422

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8130449, 16260898, 24391347, 48782694, 73174041, 146348082, 219522123, 349609307, 439044246, 699218614, 1048827921, 2097655842, 3146483763, 6292967526, 9439451289, 18878902578]

約数ペア:

[(1, 18878902578), (2, 9439451289), (3, 6292967526), (6, 3146483763), (9, 2097655842), (18, 1048827921), (27, 699218614), (43, 439044246), (54, 349609307), (86, 219522123), (129, 146348082), (258, 73174041), (387, 48782694), (774, 24391347), (1161, 16260898), (2322, 8130449)]