18412884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 54931968

約数和(自身を除く): 36519084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2357, 2604, 3906, 4714, 7071, 7812, 9428, 14142, 16499, 21213, 28284, 32998, 42426, 49497, 65996, 73067, 84852, 98994, 146134, 148491, 197988, 219201, 292268, 296982, 438402, 511469, 593964, 657603, 876804, 1022938, 1315206, 1534407, 2045876, 2630412, 3068814, 4603221, 6137628, 9206442, 18412884]

約数ペア:

[(1, 18412884), (2, 9206442), (3, 6137628), (4, 4603221), (6, 3068814), (7, 2630412), (9, 2045876), (12, 1534407), (14, 1315206), (18, 1022938), (21, 876804), (28, 657603), (31, 593964), (36, 511469), (42, 438402), (62, 296982), (63, 292268), (84, 219201), (93, 197988), (124, 148491), (126, 146134), (186, 98994), (217, 84852), (252, 73067), (279, 65996), (372, 49497), (434, 42426), (558, 32998), (651, 28284), (868, 21213), (1116, 16499), (1302, 14142), (1953, 9428), (2357, 7812), (2604, 7071), (3906, 4714)]