19500052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 40727232

約数和(自身を除く): 21227180

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 467, 572, 803, 934, 949, 1606, 1868, 1898, 3212, 3796, 5137, 6071, 10274, 10439, 12142, 20548, 20878, 24284, 34091, 41756, 66781, 68182, 133562, 136364, 267124, 375001, 443183, 750002, 886366, 1500004, 1772732, 4875013, 9750026, 19500052]

約数ペア:

[(1, 19500052), (2, 9750026), (4, 4875013), (11, 1772732), (13, 1500004), (22, 886366), (26, 750002), (44, 443183), (52, 375001), (73, 267124), (143, 136364), (146, 133562), (286, 68182), (292, 66781), (467, 41756), (572, 34091), (803, 24284), (934, 20878), (949, 20548), (1606, 12142), (1868, 10439), (1898, 10274), (3212, 6071), (3796, 5137)]