18242385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 15598767

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2447, 2485, 7341, 7455, 12235, 17129, 36705, 51387, 85645, 173737, 256935, 521211, 868685, 1216159, 2606055, 3648477, 6080795, 18242385]

約数ペア:

[(1, 18242385), (3, 6080795), (5, 3648477), (7, 2606055), (15, 1216159), (21, 868685), (35, 521211), (71, 256935), (105, 173737), (213, 85645), (355, 51387), (497, 36705), (1065, 17129), (1491, 12235), (2447, 7455), (2485, 7341)]