19407674

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 16342726

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 121, 143, 199, 242, 286, 341, 398, 403, 682, 806, 1573, 2189, 2587, 3146, 3751, 4378, 4433, 5174, 6169, 7502, 8866, 12338, 24079, 28457, 48158, 48763, 56914, 67859, 80197, 97526, 135718, 160394, 313027, 626054, 746449, 882167, 1492898, 1764334, 9703837, 19407674]

約数ペア:

[(1, 19407674), (2, 9703837), (11, 1764334), (13, 1492898), (22, 882167), (26, 746449), (31, 626054), (62, 313027), (121, 160394), (143, 135718), (199, 97526), (242, 80197), (286, 67859), (341, 56914), (398, 48763), (403, 48158), (682, 28457), (806, 24079), (1573, 12338), (2189, 8866), (2587, 7502), (3146, 6169), (3751, 5174), (4378, 4433)]