18727696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20644784

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 179, 208, 358, 503, 716, 1006, 1432, 2012, 2327, 2864, 4024, 4654, 6539, 8048, 9308, 13078, 18616, 26156, 37232, 52312, 90037, 104624, 180074, 360148, 720296, 1170481, 1440592, 2340962, 4681924, 9363848, 18727696]

約数ペア:

[(1, 18727696), (2, 9363848), (4, 4681924), (8, 2340962), (13, 1440592), (16, 1170481), (26, 720296), (52, 360148), (104, 180074), (179, 104624), (208, 90037), (358, 52312), (503, 37232), (716, 26156), (1006, 18616), (1432, 13078), (2012, 9308), (2327, 8048), (2864, 6539), (4024, 4654)]