19867328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23879}}^1$

素因数の和:23904

約数の個数: 28

約数和(自身を含む): 42458640

約数和(自身を除く): 22591312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 23879, 47758, 95516, 191032, 310427, 382064, 620854, 764128, 1241708, 1528256, 2483416, 4966832, 9933664, 19867328]

約数ペア:

[(1, 19867328), (2, 9933664), (4, 4966832), (8, 2483416), (13, 1528256), (16, 1241708), (26, 764128), (32, 620854), (52, 382064), (64, 310427), (104, 191032), (208, 95516), (416, 47758), (832, 23879)]