18386522

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18938278

約数列:

[1, 2, 7, 11, 14, 22, 23, 29, 46, 58, 77, 154, 161, 179, 203, 253, 319, 322, 358, 406, 506, 638, 667, 1253, 1334, 1771, 1969, 2233, 2506, 3542, 3938, 4117, 4466, 4669, 5191, 7337, 8234, 9338, 10382, 13783, 14674, 27566, 28819, 36337, 45287, 51359, 57101, 57638, 72674, 90574, 102718, 114202, 119393, 238786, 317009, 399707, 634018, 799414, 835751, 1313323, 1671502, 2626646, 9193261, 18386522]

約数ペア:

[(1, 18386522), (2, 9193261), (7, 2626646), (11, 1671502), (14, 1313323), (22, 835751), (23, 799414), (29, 634018), (46, 399707), (58, 317009), (77, 238786), (154, 119393), (161, 114202), (179, 102718), (203, 90574), (253, 72674), (319, 57638), (322, 57101), (358, 51359), (406, 45287), (506, 36337), (638, 28819), (667, 27566), (1253, 14674), (1334, 13783), (1771, 10382), (1969, 9338), (2233, 8234), (2506, 7337), (3542, 5191), (3938, 4669), (4117, 4466)]