18471684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19991}}^1$

素因数の和:20016

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 35266812

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, 19991, 39982, 59973, 79964, 119946, 139937, 219901, 239892, 279874, 419811, 439802, 559748, 659703, 839622, 879604, 1319406, 1539307, 1679244, 2638812, 3078614, 4617921, 6157228, 9235842, 18471684]

約数ペア:

[(1, 18471684), (2, 9235842), (3, 6157228), (4, 4617921), (6, 3078614), (7, 2638812), (11, 1679244), (12, 1539307), (14, 1319406), (21, 879604), (22, 839622), (28, 659703), (33, 559748), (42, 439802), (44, 419811), (66, 279874), (77, 239892), (84, 219901), (132, 139937), (154, 119946), (231, 79964), (308, 59973), (462, 39982), (924, 19991)]