20161576818

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{246661}}^1$

素因数の和:246927

約数の個数: 48

約数和(自身を含む): 46175126400

約数和(自身を除く): 26013549582

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 239, 342, 478, 717, 1434, 2151, 4302, 4541, 9082, 13623, 27246, 40869, 81738, 246661, 493322, 739983, 1479966, 2219949, 4439898, 4686559, 9373118, 14059677, 28119354, 42179031, 58951979, 84358062, 117903958, 176855937, 353711874, 530567811, 1061135622, 1120087601, 2240175202, 3360262803, 6720525606, 10080788409, 20161576818]

約数ペア:

[(1, 20161576818), (2, 10080788409), (3, 6720525606), (6, 3360262803), (9, 2240175202), (18, 1120087601), (19, 1061135622), (38, 530567811), (57, 353711874), (114, 176855937), (171, 117903958), (239, 84358062), (342, 58951979), (478, 42179031), (717, 28119354), (1434, 14059677), (2151, 9373118), (4302, 4686559), (4541, 4439898), (9082, 2219949), (13623, 1479966), (27246, 739983), (40869, 493322), (81738, 246661)]