15820938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 39399360

約数和(自身を除く): 23578422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 307, 409, 614, 818, 921, 1227, 1842, 2149, 2454, 2763, 2863, 3681, 4298, 5526, 5726, 6447, 7362, 8589, 12894, 17178, 19341, 25767, 38682, 51534, 125563, 251126, 376689, 753378, 878941, 1130067, 1757882, 2260134, 2636823, 5273646, 7910469, 15820938]

約数ペア:

[(1, 15820938), (2, 7910469), (3, 5273646), (6, 2636823), (7, 2260134), (9, 1757882), (14, 1130067), (18, 878941), (21, 753378), (42, 376689), (63, 251126), (126, 125563), (307, 51534), (409, 38682), (614, 25767), (818, 19341), (921, 17178), (1227, 12894), (1842, 8589), (2149, 7362), (2454, 6447), (2763, 5726), (2863, 5526), (3681, 4298)]