19004986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19605446

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 863, 1001, 1573, 1694, 1726, 2002, 3146, 6041, 9493, 11011, 11219, 12082, 18986, 22022, 22438, 66451, 78533, 104423, 123409, 132902, 157066, 208846, 246818, 730961, 863863, 1357499, 1461922, 1727726, 2714998, 9502493, 19004986]

約数ペア:

[(1, 19004986), (2, 9502493), (7, 2714998), (11, 1727726), (13, 1461922), (14, 1357499), (22, 863863), (26, 730961), (77, 246818), (91, 208846), (121, 157066), (143, 132902), (154, 123409), (182, 104423), (242, 78533), (286, 66451), (847, 22438), (863, 22022), (1001, 18986), (1573, 12082), (1694, 11219), (1726, 11011), (2002, 9493), (3146, 6041)]