18780804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{74527}}^1$

素因数の和:74544

約数の個数: 36

約数和(自身を含む): 54256384

約数和(自身を除く): 35475580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 74527, 149054, 223581, 298108, 447162, 521689, 670743, 894324, 1043378, 1341486, 1565067, 2086756, 2682972, 3130134, 4695201, 6260268, 9390402, 18780804]

約数ペア:

[(1, 18780804), (2, 9390402), (3, 6260268), (4, 4695201), (6, 3130134), (7, 2682972), (9, 2086756), (12, 1565067), (14, 1341486), (18, 1043378), (21, 894324), (28, 670743), (36, 521689), (42, 447162), (63, 298108), (84, 223581), (126, 149054), (252, 74527)]