18496718878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 31203532800

約数和(自身を除く): 12706813922

約数列:

[1, 2, 11, 22, 79, 89, 158, 178, 197, 394, 607, 869, 979, 1214, 1738, 1958, 2167, 4334, 6677, 7031, 13354, 14062, 15563, 17533, 31126, 35066, 47953, 54023, 77341, 95906, 108046, 119579, 154682, 171193, 192863, 239158, 342386, 385726, 527483, 594253, 1054966, 1188506, 1315369, 1385107, 2630738, 2770214, 4267817, 8535634, 9446741, 10642531, 15236177, 18893482, 21285062, 30472354, 46945987, 93891974, 103914151, 117067841, 207828302, 234135682, 840759949, 1681519898, 9248359439, 18496718878]

約数ペア:

[(1, 18496718878), (2, 9248359439), (11, 1681519898), (22, 840759949), (79, 234135682), (89, 207828302), (158, 117067841), (178, 103914151), (197, 93891974), (394, 46945987), (607, 30472354), (869, 21285062), (979, 18893482), (1214, 15236177), (1738, 10642531), (1958, 9446741), (2167, 8535634), (4334, 4267817), (6677, 2770214), (7031, 2630738), (13354, 1385107), (14062, 1315369), (15563, 1188506), (17533, 1054966), (31126, 594253), (35066, 527483), (47953, 385726), (54023, 342386), (77341, 239158), (95906, 192863), (108046, 171193), (119579, 154682)]