19840370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21527950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 863, 1045, 1210, 1726, 2090, 2299, 4315, 4598, 8630, 9493, 11495, 16397, 18986, 22990, 32794, 47465, 81985, 94930, 104423, 163970, 180367, 208846, 360734, 522115, 901835, 1044230, 1803670, 1984037, 3968074, 9920185, 19840370]

約数ペア:

[(1, 19840370), (2, 9920185), (5, 3968074), (10, 1984037), (11, 1803670), (19, 1044230), (22, 901835), (38, 522115), (55, 360734), (95, 208846), (110, 180367), (121, 163970), (190, 104423), (209, 94930), (242, 81985), (418, 47465), (605, 32794), (863, 22990), (1045, 18986), (1210, 16397), (1726, 11495), (2090, 9493), (2299, 8630), (4315, 4598)]