19913552

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8353}}^1$

素因数の和:8510

約数の個数: 20

約数和(自身を含む): 38846100

約数和(自身を除く): 18932548

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8353, 16706, 33412, 66824, 133648, 1244597, 2489194, 4978388, 9956776, 19913552]

約数ペア:

[(1, 19913552), (2, 9956776), (4, 4978388), (8, 2489194), (16, 1244597), (149, 133648), (298, 66824), (596, 33412), (1192, 16706), (2384, 8353)]