19864305

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 15646095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 547, 807, 1345, 1641, 2421, 2735, 4035, 4923, 7263, 8205, 12105, 14769, 24615, 36315, 73845, 147143, 441429, 735715, 1324287, 2207145, 3972861, 6621435, 19864305]

約数ペア:

[(1, 19864305), (3, 6621435), (5, 3972861), (9, 2207145), (15, 1324287), (27, 735715), (45, 441429), (135, 147143), (269, 73845), (547, 36315), (807, 24615), (1345, 14769), (1641, 12105), (2421, 8205), (2735, 7263), (4035, 4923)]