18805276

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15619}}^1$

素因数の和:15673

約数の個数: 24

約数和(自身を含む): 38487680

約数和(自身を除く): 19682404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15619, 31238, 62476, 109333, 218666, 437332, 671617, 1343234, 2686468, 4701319, 9402638, 18805276]

約数ペア:

[(1, 18805276), (2, 9402638), (4, 4701319), (7, 2686468), (14, 1343234), (28, 671617), (43, 437332), (86, 218666), (172, 109333), (301, 62476), (602, 31238), (1204, 15619)]