19660928

素因数分解:

$2^7\times 7^1\times {\mathrm{21943}}^1$

素因数の和:21964

約数の個数: 32

約数和(自身を含む): 44765760

約数和(自身を除く): 25104832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 21943, 43886, 87772, 153601, 175544, 307202, 351088, 614404, 702176, 1228808, 1404352, 2457616, 2808704, 4915232, 9830464, 19660928]

約数ペア:

[(1, 19660928), (2, 9830464), (4, 4915232), (7, 2808704), (8, 2457616), (14, 1404352), (16, 1228808), (28, 702176), (32, 614404), (56, 351088), (64, 307202), (112, 175544), (128, 153601), (224, 87772), (448, 43886), (896, 21943)]