19864664

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 38737440

約数和(自身を除く): 18872776

約数列:

[1, 2, 4, 8, 41, 71, 82, 142, 164, 284, 328, 568, 853, 1706, 2911, 3412, 5822, 6824, 11644, 23288, 34973, 60563, 69946, 121126, 139892, 242252, 279784, 484504, 2483083, 4966166, 9932332, 19864664]

約数ペア:

[(1, 19864664), (2, 9932332), (4, 4966166), (8, 2483083), (41, 484504), (71, 279784), (82, 242252), (142, 139892), (164, 121126), (284, 69946), (328, 60563), (568, 34973), (853, 23288), (1706, 11644), (2911, 6824), (3412, 5822)]