19555796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 19562668

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 83, 92, 166, 197, 299, 332, 394, 598, 788, 1079, 1196, 1909, 2158, 2561, 3818, 4316, 4531, 5122, 7636, 9062, 10244, 16351, 18124, 24817, 32702, 49634, 58903, 65404, 99268, 117806, 212563, 235612, 376073, 425126, 752146, 850252, 1504292, 4888949, 9777898, 19555796]

約数ペア:

[(1, 19555796), (2, 9777898), (4, 4888949), (13, 1504292), (23, 850252), (26, 752146), (46, 425126), (52, 376073), (83, 235612), (92, 212563), (166, 117806), (197, 99268), (299, 65404), (332, 58903), (394, 49634), (598, 32702), (788, 24817), (1079, 18124), (1196, 16351), (1909, 10244), (2158, 9062), (2561, 7636), (3818, 5122), (4316, 4531)]