19787628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8123}}^1$

素因数の和:8166

約数の個数: 48

約数和(自身を含む): 54593280

約数和(自身を除く): 34805652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8123, 16246, 24369, 32492, 48738, 56861, 97476, 113722, 170583, 227444, 235567, 341166, 471134, 682332, 706701, 942268, 1413402, 1648969, 2826804, 3297938, 4946907, 6595876, 9893814, 19787628]

約数ペア:

[(1, 19787628), (2, 9893814), (3, 6595876), (4, 4946907), (6, 3297938), (7, 2826804), (12, 1648969), (14, 1413402), (21, 942268), (28, 706701), (29, 682332), (42, 471134), (58, 341166), (84, 235567), (87, 227444), (116, 170583), (174, 113722), (203, 97476), (348, 56861), (406, 48738), (609, 32492), (812, 24369), (1218, 16246), (2436, 8123)]