18703216

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4073}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 42434784

約数和(自身を除く): 23731568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4073, 4592, 8146, 16292, 28511, 32584, 57022, 65168, 114044, 166993, 228088, 333986, 456176, 667972, 1168951, 1335944, 2337902, 2671888, 4675804, 9351608, 18703216]

約数ペア:

[(1, 18703216), (2, 9351608), (4, 4675804), (7, 2671888), (8, 2337902), (14, 1335944), (16, 1168951), (28, 667972), (41, 456176), (56, 333986), (82, 228088), (112, 166993), (164, 114044), (287, 65168), (328, 57022), (574, 32584), (656, 28511), (1148, 16292), (2296, 8146), (4073, 4592)]