19101612

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 47264000

約数和(自身を除く): 28162388

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 199, 228, 398, 421, 597, 796, 842, 1194, 1263, 1684, 2388, 2526, 3781, 5052, 7562, 7999, 11343, 15124, 15998, 22686, 23997, 31996, 45372, 47994, 83779, 95988, 167558, 251337, 335116, 502674, 1005348, 1591801, 3183602, 4775403, 6367204, 9550806, 19101612]

約数ペア:

[(1, 19101612), (2, 9550806), (3, 6367204), (4, 4775403), (6, 3183602), (12, 1591801), (19, 1005348), (38, 502674), (57, 335116), (76, 251337), (114, 167558), (199, 95988), (228, 83779), (398, 47994), (421, 45372), (597, 31996), (796, 23997), (842, 22686), (1194, 15998), (1263, 15124), (1684, 11343), (2388, 7999), (2526, 7562), (3781, 5052)]