19385795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 9402685

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1427, 2717, 7135, 13585, 15697, 18551, 27113, 78485, 92755, 135565, 204061, 298243, 352469, 1020305, 1491215, 1762345, 3877159, 19385795]

約数ペア:

[(1, 19385795), (5, 3877159), (11, 1762345), (13, 1491215), (19, 1020305), (55, 352469), (65, 298243), (95, 204061), (143, 135565), (209, 92755), (247, 78485), (715, 27113), (1045, 18551), (1235, 15697), (1427, 13585), (2717, 7135)]