19761296

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42589}}^1$

素因数の和:42626

約数の個数: 20

約数和(自身を含む): 39608700

約数和(自身を除く): 19847404

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42589, 85178, 170356, 340712, 681424, 1235081, 2470162, 4940324, 9880648, 19761296]

約数ペア:

[(1, 19761296), (2, 9880648), (4, 4940324), (8, 2470162), (16, 1235081), (29, 681424), (58, 340712), (116, 170356), (232, 85178), (464, 42589)]