18944222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^3$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 33734880

約数和(自身を除く): 14790658

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 1369, 2738, 6919, 13838, 15059, 23273, 30118, 46546, 50653, 101306, 256003, 512006, 557183, 861101, 1114366, 1722202, 9472111, 18944222]

約数ペア:

[(1, 18944222), (2, 9472111), (11, 1722202), (17, 1114366), (22, 861101), (34, 557183), (37, 512006), (74, 256003), (187, 101306), (374, 50653), (407, 46546), (629, 30118), (814, 23273), (1258, 15059), (1369, 13838), (2738, 6919)]