18550636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 35913472

約数和(自身を除く): 17362836

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 127, 212, 254, 508, 689, 1378, 1651, 2756, 2809, 3302, 5618, 6604, 6731, 11236, 13462, 26924, 36517, 73034, 87503, 146068, 175006, 350012, 356743, 713486, 1426972, 4637659, 9275318, 18550636]

約数ペア:

[(1, 18550636), (2, 9275318), (4, 4637659), (13, 1426972), (26, 713486), (52, 356743), (53, 350012), (106, 175006), (127, 146068), (212, 87503), (254, 73034), (508, 36517), (689, 26924), (1378, 13462), (1651, 11236), (2756, 6731), (2809, 6604), (3302, 5618)]