19704938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 17619862

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 47, 59, 94, 118, 187, 209, 323, 374, 418, 517, 646, 649, 799, 893, 1003, 1034, 1121, 1298, 1598, 1786, 2006, 2242, 2773, 3553, 5546, 7106, 8789, 9823, 11033, 12331, 15181, 17578, 19057, 19646, 22066, 24662, 30362, 30503, 38114, 47141, 52687, 61006, 94282, 105374, 166991, 209627, 333982, 419254, 518551, 579557, 895679, 1037102, 1159114, 1791358, 9852469, 19704938]

約数ペア:

[(1, 19704938), (2, 9852469), (11, 1791358), (17, 1159114), (19, 1037102), (22, 895679), (34, 579557), (38, 518551), (47, 419254), (59, 333982), (94, 209627), (118, 166991), (187, 105374), (209, 94282), (323, 61006), (374, 52687), (418, 47141), (517, 38114), (646, 30503), (649, 30362), (799, 24662), (893, 22066), (1003, 19646), (1034, 19057), (1121, 17578), (1298, 15181), (1598, 12331), (1786, 11033), (2006, 9823), (2242, 8789), (2773, 7106), (3553, 5546)]