19016872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 24730328

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 293, 427, 488, 532, 586, 854, 1064, 1159, 1172, 1708, 2051, 2318, 2344, 3416, 4102, 4636, 5567, 8113, 8204, 9272, 11134, 16226, 16408, 17873, 22268, 32452, 35746, 38969, 44536, 64904, 71492, 77938, 125111, 142984, 155876, 250222, 311752, 339587, 500444, 679174, 1000888, 1358348, 2377109, 2716696, 4754218, 9508436, 19016872]

約数ペア:

[(1, 19016872), (2, 9508436), (4, 4754218), (7, 2716696), (8, 2377109), (14, 1358348), (19, 1000888), (28, 679174), (38, 500444), (56, 339587), (61, 311752), (76, 250222), (122, 155876), (133, 142984), (152, 125111), (244, 77938), (266, 71492), (293, 64904), (427, 44536), (488, 38969), (532, 35746), (586, 32452), (854, 22268), (1064, 17873), (1159, 16408), (1172, 16226), (1708, 11134), (2051, 9272), (2318, 8204), (2344, 8113), (3416, 5567), (4102, 4636)]