18990132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{683}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 50867712

約数和(自身を除く): 31877580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 662, 683, 993, 1324, 1366, 1986, 2049, 2317, 2732, 3972, 4098, 4634, 4781, 6951, 8196, 9268, 9562, 13902, 14343, 19124, 27804, 28686, 57372, 226073, 452146, 678219, 904292, 1356438, 1582511, 2712876, 3165022, 4747533, 6330044, 9495066, 18990132]

約数ペア:

[(1, 18990132), (2, 9495066), (3, 6330044), (4, 4747533), (6, 3165022), (7, 2712876), (12, 1582511), (14, 1356438), (21, 904292), (28, 678219), (42, 452146), (84, 226073), (331, 57372), (662, 28686), (683, 27804), (993, 19124), (1324, 14343), (1366, 13902), (1986, 9562), (2049, 9268), (2317, 8196), (2732, 6951), (3972, 4781), (4098, 4634)]