19412980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57097}}^1$

素因数の和:57123

約数の個数: 24

約数和(自身を含む): 43166088

約数和(自身を除く): 23753108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57097, 114194, 228388, 285485, 570970, 970649, 1141940, 1941298, 3882596, 4853245, 9706490, 19412980]

約数ペア:

[(1, 19412980), (2, 9706490), (4, 4853245), (5, 3882596), (10, 1941298), (17, 1141940), (20, 970649), (34, 570970), (68, 285485), (85, 228388), (170, 114194), (340, 57097)]