18716805

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7297}}^1$

素因数の和:7330

約数の個数: 32

約数和(自身を含む): 35030400

約数和(自身を除く): 16313595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7297, 21891, 36485, 65673, 109455, 138643, 197019, 328365, 415929, 693215, 985095, 1247787, 2079645, 3743361, 6238935, 18716805]

約数ペア:

[(1, 18716805), (3, 6238935), (5, 3743361), (9, 2079645), (15, 1247787), (19, 985095), (27, 693215), (45, 415929), (57, 328365), (95, 197019), (135, 138643), (171, 109455), (285, 65673), (513, 36485), (855, 21891), (2565, 7297)]