18570618

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1411

約数の個数: 48

約数和(自身を含む): 44546112

約数和(自身を除く): 25975494

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1321, 1562, 2343, 2642, 3963, 4686, 7029, 7926, 11889, 14058, 14531, 23778, 29062, 43593, 87186, 93791, 130779, 187582, 261558, 281373, 562746, 844119, 1031701, 1688238, 2063402, 3095103, 6190206, 9285309, 18570618]

約数ペア:

[(1, 18570618), (2, 9285309), (3, 6190206), (6, 3095103), (9, 2063402), (11, 1688238), (18, 1031701), (22, 844119), (33, 562746), (66, 281373), (71, 261558), (99, 187582), (142, 130779), (198, 93791), (213, 87186), (426, 43593), (639, 29062), (781, 23778), (1278, 14531), (1321, 14058), (1562, 11889), (2343, 7926), (2642, 7029), (3963, 4686)]