19954330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 39382848

約数和(自身を除く): 19428518

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 283, 566, 641, 1282, 1415, 2830, 3113, 3205, 6226, 6410, 7051, 14102, 15565, 31130, 35255, 70510, 181403, 362806, 907015, 1814030, 1995433, 3990866, 9977165, 19954330]

約数ペア:

[(1, 19954330), (2, 9977165), (5, 3990866), (10, 1995433), (11, 1814030), (22, 907015), (55, 362806), (110, 181403), (283, 70510), (566, 35255), (641, 31130), (1282, 15565), (1415, 14102), (2830, 7051), (3113, 6410), (3205, 6226)]