18701210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 18250342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 863, 985, 1726, 1970, 2167, 4315, 4334, 8630, 9493, 10835, 18986, 21670, 47465, 94930, 170011, 340022, 850055, 1700110, 1870121, 3740242, 9350605, 18701210]

約数ペア:

[(1, 18701210), (2, 9350605), (5, 3740242), (10, 1870121), (11, 1700110), (22, 850055), (55, 340022), (110, 170011), (197, 94930), (394, 47465), (863, 21670), (985, 18986), (1726, 10835), (1970, 9493), (2167, 8630), (4315, 4334)]