19954544

素因数分解:

$2^4\times {\mathrm{37}}^2\times {\mathrm{911}}^1$

素因数の和:993

約数の個数: 30

約数和(自身を含む): 39778704

約数和(自身を除く): 19824160

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 911, 1369, 1822, 2738, 3644, 5476, 7288, 10952, 14576, 21904, 33707, 67414, 134828, 269656, 539312, 1247159, 2494318, 4988636, 9977272, 19954544]

約数ペア:

[(1, 19954544), (2, 9977272), (4, 4988636), (8, 2494318), (16, 1247159), (37, 539312), (74, 269656), (148, 134828), (296, 67414), (592, 33707), (911, 21904), (1369, 14576), (1822, 10952), (2738, 7288), (3644, 5476)]