18931206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{701}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 24469242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 701, 1286, 1402, 1929, 2103, 3858, 4206, 4501, 4907, 9002, 9814, 13503, 14721, 27006, 29442, 450743, 901486, 1352229, 2704458, 3155201, 6310402, 9465603, 18931206]

約数ペア:

[(1, 18931206), (2, 9465603), (3, 6310402), (6, 3155201), (7, 2704458), (14, 1352229), (21, 901486), (42, 450743), (643, 29442), (701, 27006), (1286, 14721), (1402, 13503), (1929, 9814), (2103, 9002), (3858, 4907), (4206, 4501)]