19551824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39419}}^1$

素因数の和:39458

約数の個数: 20

約数和(自身を含む): 39104640

約数和(自身を除く): 19552816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39419, 78838, 157676, 315352, 630704, 1221989, 2443978, 4887956, 9775912, 19551824]

約数ペア:

[(1, 19551824), (2, 9775912), (4, 4887956), (8, 2443978), (16, 1221989), (31, 630704), (62, 315352), (124, 157676), (248, 78838), (496, 39419)]