19809816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{63493}}^1$

素因数の和:63515

約数の個数: 32

約数和(自身を含む): 53334960

約数和(自身を除く): 33525144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 63493, 126986, 190479, 253972, 380958, 507944, 761916, 825409, 1523832, 1650818, 2476227, 3301636, 4952454, 6603272, 9904908, 19809816]

約数ペア:

[(1, 19809816), (2, 9904908), (3, 6603272), (4, 4952454), (6, 3301636), (8, 2476227), (12, 1650818), (13, 1523832), (24, 825409), (26, 761916), (39, 507944), (52, 380958), (78, 253972), (104, 190479), (156, 126986), (312, 63493)]