18490444

素因数分解:

$2^2\times 7^3\times {\mathrm{13477}}^1$

素因数の和:13502

約数の個数: 24

約数和(自身を含む): 37738400

約数和(自身を除く): 19247956

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 13477, 26954, 53908, 94339, 188678, 377356, 660373, 1320746, 2641492, 4622611, 9245222, 18490444]

約数ペア:

[(1, 18490444), (2, 9245222), (4, 4622611), (7, 2641492), (14, 1320746), (28, 660373), (49, 377356), (98, 188678), (196, 94339), (343, 53908), (686, 26954), (1372, 13477)]