19691296

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 21586304

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 233, 278, 304, 466, 556, 608, 932, 1112, 1864, 2224, 2641, 3728, 4427, 4448, 5282, 7456, 8854, 10564, 17708, 21128, 32387, 35416, 42256, 64774, 70832, 84512, 129548, 141664, 259096, 518192, 615353, 1036384, 1230706, 2461412, 4922824, 9845648, 19691296]

約数ペア:

[(1, 19691296), (2, 9845648), (4, 4922824), (8, 2461412), (16, 1230706), (19, 1036384), (32, 615353), (38, 518192), (76, 259096), (139, 141664), (152, 129548), (233, 84512), (278, 70832), (304, 64774), (466, 42256), (556, 35416), (608, 32387), (932, 21128), (1112, 17708), (1864, 10564), (2224, 8854), (2641, 7456), (3728, 5282), (4427, 4448)]