19955367975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19157}}^1$

素因数の和:19249

約数の個数: 96

約数和(自身を含む): 37629377280

約数和(自身を除く): 17674009305

約数列:

[1, 3, 5, 15, 17, 19, 25, 43, 51, 57, 75, 85, 95, 129, 215, 255, 285, 323, 425, 475, 645, 731, 817, 969, 1075, 1275, 1425, 1615, 2193, 2451, 3225, 3655, 4085, 4845, 8075, 10965, 12255, 13889, 18275, 19157, 20425, 24225, 41667, 54825, 57471, 61275, 69445, 95785, 208335, 287355, 325669, 347225, 363983, 478925, 823751, 977007, 1041675, 1091949, 1436775, 1628345, 1819915, 2471253, 4118755, 4885035, 5459745, 6187711, 8141725, 9099575, 12356265, 14003767, 15651269, 18563133, 20593775, 24425175, 27298725, 30938555, 42011301, 46953807, 61781325, 70018835, 78256345, 92815665, 154692775, 210056505, 234769035, 266071573, 350094175, 391281725, 464078325, 798214719, 1050282525, 1173845175, 1330357865, 3991073595, 6651789325, 19955367975]

約数ペア:

[(1, 19955367975), (3, 6651789325), (5, 3991073595), (15, 1330357865), (17, 1173845175), (19, 1050282525), (25, 798214719), (43, 464078325), (51, 391281725), (57, 350094175), (75, 266071573), (85, 234769035), (95, 210056505), (129, 154692775), (215, 92815665), (255, 78256345), (285, 70018835), (323, 61781325), (425, 46953807), (475, 42011301), (645, 30938555), (731, 27298725), (817, 24425175), (969, 20593775), (1075, 18563133), (1275, 15651269), (1425, 14003767), (1615, 12356265), (2193, 9099575), (2451, 8141725), (3225, 6187711), (3655, 5459745), (4085, 4885035), (4845, 4118755), (8075, 2471253), (10965, 1819915), (12255, 1628345), (13889, 1436775), (18275, 1091949), (19157, 1041675), (20425, 977007), (24225, 823751), (41667, 478925), (54825, 363983), (57471, 347225), (61275, 325669), (69445, 287355), (95785, 208335)]