19728448

素因数分解:

$2^6\times {\mathrm{281}}^1\times {\mathrm{1097}}^1$

素因数の和:1390

約数の個数: 28

約数和(自身を含む): 39323772

約数和(自身を除く): 19595324

約数列:

[1, 2, 4, 8, 16, 32, 64, 281, 562, 1097, 1124, 2194, 2248, 4388, 4496, 8776, 8992, 17552, 17984, 35104, 70208, 308257, 616514, 1233028, 2466056, 4932112, 9864224, 19728448]

約数ペア:

[(1, 19728448), (2, 9864224), (4, 4932112), (8, 2466056), (16, 1233028), (32, 616514), (64, 308257), (281, 70208), (562, 35104), (1097, 17984), (1124, 17552), (2194, 8992), (2248, 8776), (4388, 4496)]