19810815598

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{4021}}^1$

素因数の和:4337

約数の個数: 64

約数和(自身を含む): 36473683968

約数和(自身を除く): 16662868370

約数列:

[1, 2, 7, 14, 17, 34, 119, 127, 163, 238, 254, 326, 889, 1141, 1778, 2159, 2282, 2771, 4021, 4318, 5542, 8042, 15113, 19397, 20701, 28147, 30226, 38794, 41402, 56294, 68357, 136714, 144907, 289814, 351917, 478499, 510667, 655423, 703834, 956998, 1021334, 1310846, 2463419, 3574669, 4587961, 4926838, 7149338, 8681339, 9175922, 11142191, 17362678, 22284382, 60769373, 77995337, 83238721, 121538746, 155990674, 166477442, 582671047, 1165342094, 1415058257, 2830116514, 9905407799, 19810815598]

約数ペア:

[(1, 19810815598), (2, 9905407799), (7, 2830116514), (14, 1415058257), (17, 1165342094), (34, 582671047), (119, 166477442), (127, 155990674), (163, 121538746), (238, 83238721), (254, 77995337), (326, 60769373), (889, 22284382), (1141, 17362678), (1778, 11142191), (2159, 9175922), (2282, 8681339), (2771, 7149338), (4021, 4926838), (4318, 4587961), (5542, 3574669), (8042, 2463419), (15113, 1310846), (19397, 1021334), (20701, 956998), (28147, 703834), (30226, 655423), (38794, 510667), (41402, 478499), (56294, 351917), (68357, 289814), (136714, 144907)]