18117001720

素因数分解:

$2^3\times 5^1\times {\mathrm{452925043}}^1$

素因数の和:452925054

約数の個数: 16

約数和(自身を含む): 40763253960

約数和(自身を除く): 22646252240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 452925043, 905850086, 1811700172, 2264625215, 3623400344, 4529250430, 9058500860, 18117001720]

約数ペア:

[(1, 18117001720), (2, 9058500860), (4, 4529250430), (5, 3623400344), (8, 2264625215), (10, 1811700172), (20, 905850086), (40, 452925043)]