18188814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 45711360

約数和(自身を除く): 27522546

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 991, 1311, 1982, 2622, 2973, 3059, 5946, 6118, 6937, 9177, 13874, 18354, 18829, 20811, 22793, 37658, 41622, 45586, 56487, 68379, 112974, 131803, 136758, 159551, 263606, 319102, 395409, 433067, 478653, 790818, 866134, 957306, 1299201, 2598402, 3031469, 6062938, 9094407, 18188814]

約数ペア:

[(1, 18188814), (2, 9094407), (3, 6062938), (6, 3031469), (7, 2598402), (14, 1299201), (19, 957306), (21, 866134), (23, 790818), (38, 478653), (42, 433067), (46, 395409), (57, 319102), (69, 263606), (114, 159551), (133, 136758), (138, 131803), (161, 112974), (266, 68379), (322, 56487), (399, 45586), (437, 41622), (483, 37658), (798, 22793), (874, 20811), (966, 18829), (991, 18354), (1311, 13874), (1982, 9177), (2622, 6937), (2973, 6118), (3059, 5946)]