18806944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 40674312

約数和(自身を除く): 21867368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 853, 1378, 1696, 1706, 2756, 3412, 5512, 6824, 11024, 11089, 13648, 22048, 22178, 27296, 44356, 45209, 88712, 90418, 177424, 180836, 354848, 361672, 587717, 723344, 1175434, 1446688, 2350868, 4701736, 9403472, 18806944]

約数ペア:

[(1, 18806944), (2, 9403472), (4, 4701736), (8, 2350868), (13, 1446688), (16, 1175434), (26, 723344), (32, 587717), (52, 361672), (53, 354848), (104, 180836), (106, 177424), (208, 90418), (212, 88712), (416, 45209), (424, 44356), (689, 27296), (848, 22178), (853, 22048), (1378, 13648), (1696, 11089), (1706, 11024), (2756, 6824), (3412, 5512)]