201929872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{664243}}^1$

素因数の和:664270

約数の個数: 20

約数和(自身を含む): 411831280

約数和(自身を除く): 209901408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 664243, 1328486, 2656972, 5313944, 10627888, 12620617, 25241234, 50482468, 100964936, 201929872]

約数ペア:

[(1, 201929872), (2, 100964936), (4, 50482468), (8, 25241234), (16, 12620617), (19, 10627888), (38, 5313944), (76, 2656972), (152, 1328486), (304, 664243)]