19180946826

素因数分解:

$2^1\times 3^3\times {\mathrm{1109}}^1\times {\mathrm{320291}}^1$

素因数の和:321411

約数の個数: 32

約数和(自身を含む): 42662894400

約数和(自身を除く): 23481947574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1109, 2218, 3327, 6654, 9981, 19962, 29943, 59886, 320291, 640582, 960873, 1921746, 2882619, 5765238, 8647857, 17295714, 355202719, 710405438, 1065608157, 2131216314, 3196824471, 6393648942, 9590473413, 19180946826]

約数ペア:

[(1, 19180946826), (2, 9590473413), (3, 6393648942), (6, 3196824471), (9, 2131216314), (18, 1065608157), (27, 710405438), (54, 355202719), (1109, 17295714), (2218, 8647857), (3327, 5765238), (6654, 2882619), (9981, 1921746), (19962, 960873), (29943, 640582), (59886, 320291)]