18981148

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 34311872

約数和(自身を除く): 15330724

約数列:

[1, 2, 4, 37, 74, 148, 277, 463, 554, 926, 1108, 1852, 10249, 17131, 20498, 34262, 40996, 68524, 128251, 256502, 513004, 4745287, 9490574, 18981148]

約数ペア:

[(1, 18981148), (2, 9490574), (4, 4745287), (37, 513004), (74, 256502), (148, 128251), (277, 68524), (463, 40996), (554, 34262), (926, 20498), (1108, 17131), (1852, 10249)]