19559648

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8609}}^1$

素因数の和:8690

約数の個数: 24

約数和(自身を含む): 39054960

約数和(自身を除く): 19495312

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8609, 17218, 34436, 68872, 137744, 275488, 611239, 1222478, 2444956, 4889912, 9779824, 19559648]

約数ペア:

[(1, 19559648), (2, 9779824), (4, 4889912), (8, 2444956), (16, 1222478), (32, 611239), (71, 275488), (142, 137744), (284, 68872), (568, 34436), (1136, 17218), (2272, 8609)]