18986213378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1\times {\mathrm{6047}}^1$

素因数の和:9422

約数の個数: 32

約数和(自身を含む): 31805706240

約数和(自身を除く): 12819492862

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 3319, 6047, 6638, 12094, 36509, 66517, 73018, 133034, 142717, 260021, 285434, 520042, 1569887, 2860231, 3139774, 5720462, 20069993, 40139986, 220769923, 441539846, 863009699, 1726019398, 9493106689, 18986213378]

約数ペア:

[(1, 18986213378), (2, 9493106689), (11, 1726019398), (22, 863009699), (43, 441539846), (86, 220769923), (473, 40139986), (946, 20069993), (3319, 5720462), (6047, 3139774), (6638, 2860231), (12094, 1569887), (36509, 520042), (66517, 285434), (73018, 260021), (133034, 142717)]