19902786

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 40704000

約数和(自身を除く): 20801214

約数列:

[1, 2, 3, 6, 79, 158, 199, 211, 237, 398, 422, 474, 597, 633, 1194, 1266, 15721, 16669, 31442, 33338, 41989, 47163, 50007, 83978, 94326, 100014, 125967, 251934, 3317131, 6634262, 9951393, 19902786]

約数ペア:

[(1, 19902786), (2, 9951393), (3, 6634262), (6, 3317131), (79, 251934), (158, 125967), (199, 100014), (211, 94326), (237, 83978), (398, 50007), (422, 47163), (474, 41989), (597, 33338), (633, 31442), (1194, 16669), (1266, 15721)]