18010215

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1964

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 14476185

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1879, 1917, 3195, 5637, 9395, 9585, 16911, 28185, 50733, 84555, 133409, 253665, 400227, 667045, 1200681, 2001135, 3602043, 6003405, 18010215]

約数ペア:

[(1, 18010215), (3, 6003405), (5, 3602043), (9, 2001135), (15, 1200681), (27, 667045), (45, 400227), (71, 253665), (135, 133409), (213, 84555), (355, 50733), (639, 28185), (1065, 16911), (1879, 9585), (1917, 9395), (3195, 5637)]