18850945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 25390080

約数和(自身を除く): 6539135

約数列:

[1, 5, 19, 31, 37, 95, 155, 173, 185, 589, 703, 865, 1147, 2945, 3287, 3515, 5363, 5735, 6401, 16435, 21793, 26815, 32005, 101897, 108965, 121619, 198431, 509485, 608095, 992155, 3770189, 18850945]

約数ペア:

[(1, 18850945), (5, 3770189), (19, 992155), (31, 608095), (37, 509485), (95, 198431), (155, 121619), (173, 108965), (185, 101897), (589, 32005), (703, 26815), (865, 21793), (1147, 16435), (2945, 6401), (3287, 5735), (3515, 5363)]