19696490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1307}}^1$

素因数の和:1462

約数の個数: 32

約数和(自身を含む): 38988864

約数和(自身を除く): 19292374

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1307, 1370, 1507, 2614, 3014, 6535, 7535, 13070, 14377, 15070, 28754, 71885, 143770, 179059, 358118, 895295, 1790590, 1969649, 3939298, 9848245, 19696490]

約数ペア:

[(1, 19696490), (2, 9848245), (5, 3939298), (10, 1969649), (11, 1790590), (22, 895295), (55, 358118), (110, 179059), (137, 143770), (274, 71885), (685, 28754), (1307, 15070), (1370, 14377), (1507, 13070), (2614, 7535), (3014, 6535)]