16818620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9241}}^1$

素因数の和:9270

約数の個数: 48

約数和(自身を含む): 43474368

約数和(自身を除く): 26655748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9241, 18482, 36964, 46205, 64687, 92410, 120133, 129374, 184820, 240266, 258748, 323435, 480532, 600665, 646870, 840931, 1201330, 1293740, 1681862, 2402660, 3363724, 4204655, 8409310, 16818620]

約数ペア:

[(1, 16818620), (2, 8409310), (4, 4204655), (5, 3363724), (7, 2402660), (10, 1681862), (13, 1293740), (14, 1201330), (20, 840931), (26, 646870), (28, 600665), (35, 480532), (52, 323435), (65, 258748), (70, 240266), (91, 184820), (130, 129374), (140, 120133), (182, 92410), (260, 64687), (364, 46205), (455, 36964), (910, 18482), (1820, 9241)]