20180778084

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{29059}}^1$

素因数の和:29361

約数の個数: 72

約数和(自身を含む): 51789104640

約数和(自身を除く): 31608326556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 191, 202, 303, 382, 404, 573, 606, 764, 909, 1146, 1212, 1719, 1818, 2292, 3438, 3636, 6876, 19291, 29059, 38582, 57873, 58118, 77164, 87177, 115746, 116236, 173619, 174354, 231492, 261531, 347238, 348708, 523062, 694476, 1046124, 2934959, 5550269, 5869918, 8804877, 11100538, 11739836, 16650807, 17609754, 22201076, 26414631, 33301614, 35219508, 49952421, 52829262, 66603228, 99904842, 105658524, 199809684, 560577169, 1121154338, 1681731507, 2242308676, 3363463014, 5045194521, 6726926028, 10090389042, 20180778084]

約数ペア:

[(1, 20180778084), (2, 10090389042), (3, 6726926028), (4, 5045194521), (6, 3363463014), (9, 2242308676), (12, 1681731507), (18, 1121154338), (36, 560577169), (101, 199809684), (191, 105658524), (202, 99904842), (303, 66603228), (382, 52829262), (404, 49952421), (573, 35219508), (606, 33301614), (764, 26414631), (909, 22201076), (1146, 17609754), (1212, 16650807), (1719, 11739836), (1818, 11100538), (2292, 8804877), (3438, 5869918), (3636, 5550269), (6876, 2934959), (19291, 1046124), (29059, 694476), (38582, 523062), (57873, 348708), (58118, 347238), (77164, 261531), (87177, 231492), (115746, 174354), (116236, 173619)]