19741456

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9277}}^1$

素因数の和:9311

約数の個数: 40

約数和(自身を含む): 46018880

約数和(自身を除く): 26277424

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9277, 18554, 37108, 64939, 74216, 129878, 148432, 176263, 259756, 352526, 519512, 705052, 1039024, 1233841, 1410104, 2467682, 2820208, 4935364, 9870728, 19741456]

約数ペア:

[(1, 19741456), (2, 9870728), (4, 4935364), (7, 2820208), (8, 2467682), (14, 1410104), (16, 1233841), (19, 1039024), (28, 705052), (38, 519512), (56, 352526), (76, 259756), (112, 176263), (133, 148432), (152, 129878), (266, 74216), (304, 64939), (532, 37108), (1064, 18554), (2128, 9277)]