19409968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39133}}^1$

素因数の和:39172

約数の個数: 20

約数和(自身を含む): 38820928

約数和(自身を除く): 19410960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39133, 78266, 156532, 313064, 626128, 1213123, 2426246, 4852492, 9704984, 19409968]

約数ペア:

[(1, 19409968), (2, 9704984), (4, 4852492), (8, 2426246), (16, 1213123), (31, 626128), (62, 313064), (124, 156532), (248, 78266), (496, 39133)]