18477228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19997}}^1$

素因数の和:20022

約数の個数: 48

約数和(自身を含む): 53754624

約数和(自身を除く): 35277396

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 19997, 39994, 59991, 79988, 119982, 139979, 219967, 239964, 279958, 419937, 439934, 559916, 659901, 839874, 879868, 1319802, 1539769, 1679748, 2639604, 3079538, 4619307, 6159076, 9238614, 18477228]

約数ペア:

[(1, 18477228), (2, 9238614), (3, 6159076), (4, 4619307), (6, 3079538), (7, 2639604), (11, 1679748), (12, 1539769), (14, 1319802), (21, 879868), (22, 839874), (28, 659901), (33, 559916), (42, 439934), (44, 419937), (66, 279958), (77, 239964), (84, 219967), (132, 139979), (154, 119982), (231, 79988), (308, 59991), (462, 39994), (924, 19997)]