18738356225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{361919}}^1$

素因数の和:362057

約数の個数: 24

約数和(自身を含む): 24682944000

約数和(自身を除く): 5944587775

約数列:

[1, 5, 19, 25, 95, 109, 475, 545, 2071, 2725, 10355, 51775, 361919, 1809595, 6876461, 9047975, 34382305, 39449171, 171911525, 197245855, 749534249, 986229275, 3747671245, 18738356225]

約数ペア:

[(1, 18738356225), (5, 3747671245), (19, 986229275), (25, 749534249), (95, 197245855), (109, 171911525), (475, 39449171), (545, 34382305), (2071, 9047975), (2725, 6876461), (10355, 1809595), (51775, 361919)]