18777906

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:621

約数の個数: 80

約数和(自身を含む): 49832640

約数和(自身を除く): 31054734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 81, 87, 126, 162, 174, 189, 203, 261, 378, 406, 522, 567, 571, 609, 783, 1134, 1142, 1218, 1566, 1713, 1827, 2349, 3426, 3654, 3997, 4698, 5139, 5481, 7994, 10278, 10962, 11991, 15417, 16443, 16559, 23982, 30834, 32886, 33118, 35973, 46251, 49677, 71946, 92502, 99354, 107919, 115913, 149031, 215838, 231826, 298062, 323757, 347739, 447093, 647514, 695478, 894186, 1043217, 1341279, 2086434, 2682558, 3129651, 6259302, 9388953, 18777906]

約数ペア:

[(1, 18777906), (2, 9388953), (3, 6259302), (6, 3129651), (7, 2682558), (9, 2086434), (14, 1341279), (18, 1043217), (21, 894186), (27, 695478), (29, 647514), (42, 447093), (54, 347739), (58, 323757), (63, 298062), (81, 231826), (87, 215838), (126, 149031), (162, 115913), (174, 107919), (189, 99354), (203, 92502), (261, 71946), (378, 49677), (406, 46251), (522, 35973), (567, 33118), (571, 32886), (609, 30834), (783, 23982), (1134, 16559), (1142, 16443), (1218, 15417), (1566, 11991), (1713, 10962), (1827, 10278), (2349, 7994), (3426, 5481), (3654, 5139), (3997, 4698)]