18990688

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{1451}}^1$

素因数の和:1870

約数の個数: 24

約数和(自身を含む): 37505160

約数和(自身を除く): 18514472

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 1451, 1636, 2902, 3272, 5804, 6544, 11608, 13088, 23216, 46432, 593459, 1186918, 2373836, 4747672, 9495344, 18990688]

約数ペア:

[(1, 18990688), (2, 9495344), (4, 4747672), (8, 2373836), (16, 1186918), (32, 593459), (409, 46432), (818, 23216), (1451, 13088), (1636, 11608), (2902, 6544), (3272, 5804)]