18395505

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 33637032

約数和(自身を除く): 15241527

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 857, 1431, 2385, 2571, 4285, 4293, 7155, 7713, 12855, 21465, 23139, 38565, 45421, 69417, 115695, 136263, 227105, 347085, 408789, 681315, 1226367, 2043945, 3679101, 6131835, 18395505]

約数ペア:

[(1, 18395505), (3, 6131835), (5, 3679101), (9, 2043945), (15, 1226367), (27, 681315), (45, 408789), (53, 347085), (81, 227105), (135, 136263), (159, 115695), (265, 69417), (405, 45421), (477, 38565), (795, 23139), (857, 21465), (1431, 12855), (2385, 7713), (2571, 7155), (4285, 4293)]