18081904

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21323}}^1$

素因数の和:21384

約数の個数: 20

約数和(自身を含む): 35696376

約数和(自身を除く): 17614472

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21323, 42646, 85292, 170584, 341168, 1130119, 2260238, 4520476, 9040952, 18081904]

約数ペア:

[(1, 18081904), (2, 9040952), (4, 4520476), (8, 2260238), (16, 1130119), (53, 341168), (106, 170584), (212, 85292), (424, 42646), (848, 21323)]