20191486

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2243}}^1$

素因数の和:2895

約数の個数: 16

約数和(自身を含む): 34683264

約数和(自身を除く): 14491778

約数列:

[1, 2, 7, 14, 643, 1286, 2243, 4486, 4501, 9002, 15701, 31402, 1442249, 2884498, 10095743, 20191486]

約数ペア:

[(1, 20191486), (2, 10095743), (7, 2884498), (14, 1442249), (643, 31402), (1286, 15701), (2243, 9002), (4486, 4501)]