18365620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10091}}^1$

素因数の和:10120

約数の個数: 48

約数和(自身を含む): 47472768

約数和(自身を除く): 29107148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10091, 20182, 40364, 50455, 70637, 100910, 131183, 141274, 201820, 262366, 282548, 353185, 524732, 655915, 706370, 918281, 1311830, 1412740, 1836562, 2623660, 3673124, 4591405, 9182810, 18365620]

約数ペア:

[(1, 18365620), (2, 9182810), (4, 4591405), (5, 3673124), (7, 2623660), (10, 1836562), (13, 1412740), (14, 1311830), (20, 918281), (26, 706370), (28, 655915), (35, 524732), (52, 353185), (65, 282548), (70, 262366), (91, 201820), (130, 141274), (140, 131183), (182, 100910), (260, 70637), (364, 50455), (455, 40364), (910, 20182), (1820, 10091)]