18188828

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15107}}^1$

素因数の和:15161

約数の個数: 24

約数和(自身を含む): 37226112

約数和(自身を除く): 19037284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15107, 30214, 60428, 105749, 211498, 422996, 649601, 1299202, 2598404, 4547207, 9094414, 18188828]

約数ペア:

[(1, 18188828), (2, 9094414), (4, 4547207), (7, 2598404), (14, 1299202), (28, 649601), (43, 422996), (86, 211498), (172, 105749), (301, 60428), (602, 30214), (1204, 15107)]