19420115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 27711936

約数和(自身を除く): 8291821

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 173, 715, 785, 865, 1727, 1903, 2041, 2249, 8635, 9515, 10205, 11245, 22451, 24739, 27161, 112255, 123695, 135805, 298771, 353093, 1493855, 1765465, 3884023, 19420115]

約数ペア:

[(1, 19420115), (5, 3884023), (11, 1765465), (13, 1493855), (55, 353093), (65, 298771), (143, 135805), (157, 123695), (173, 112255), (715, 27161), (785, 24739), (865, 22451), (1727, 11245), (1903, 10205), (2041, 9515), (2249, 8635)]