19446440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37397}}^1$

素因数の和:37421

約数の個数: 32

約数和(自身を含む): 47121480

約数和(自身を除く): 27675040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37397, 74794, 149588, 186985, 299176, 373970, 486161, 747940, 972322, 1495880, 1944644, 2430805, 3889288, 4861610, 9723220, 19446440]

約数ペア:

[(1, 19446440), (2, 9723220), (4, 4861610), (5, 3889288), (8, 2430805), (10, 1944644), (13, 1495880), (20, 972322), (26, 747940), (40, 486161), (52, 373970), (65, 299176), (104, 186985), (130, 149588), (260, 74794), (520, 37397)]