19470836

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 54

約数和(自身を含む): 43621074

約数和(自身を除く): 24150238

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 821, 847, 1078, 1642, 1694, 2156, 3284, 3388, 5747, 5929, 9031, 11494, 11858, 18062, 22988, 23716, 36124, 40229, 63217, 80458, 99341, 126434, 160916, 198682, 252868, 397364, 442519, 695387, 885038, 1390774, 1770076, 2781548, 4867709, 9735418, 19470836]

約数ペア:

[(1, 19470836), (2, 9735418), (4, 4867709), (7, 2781548), (11, 1770076), (14, 1390774), (22, 885038), (28, 695387), (44, 442519), (49, 397364), (77, 252868), (98, 198682), (121, 160916), (154, 126434), (196, 99341), (242, 80458), (308, 63217), (484, 40229), (539, 36124), (821, 23716), (847, 22988), (1078, 18062), (1642, 11858), (1694, 11494), (2156, 9031), (3284, 5929), (3388, 5747)]