19211408

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4273}}^1$

素因数の和:4562

約数の個数: 20

約数和(自身を含む): 37363308

約数和(自身を除く): 18151900

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4273, 4496, 8546, 17092, 34184, 68368, 1200713, 2401426, 4802852, 9605704, 19211408]

約数ペア:

[(1, 19211408), (2, 9605704), (4, 4802852), (8, 2401426), (16, 1200713), (281, 68368), (562, 34184), (1124, 17092), (2248, 8546), (4273, 4496)]