19878876

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2803}}^1$

素因数の和:3010

約数の個数: 36

約数和(自身を含む): 50522472

約数和(自身を除く): 30643596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2803, 3546, 5606, 7092, 8409, 11212, 16818, 25227, 33636, 50454, 100908, 552191, 1104382, 1656573, 2208764, 3313146, 4969719, 6626292, 9939438, 19878876]

約数ペア:

[(1, 19878876), (2, 9939438), (3, 6626292), (4, 4969719), (6, 3313146), (9, 2208764), (12, 1656573), (18, 1104382), (36, 552191), (197, 100908), (394, 50454), (591, 33636), (788, 25227), (1182, 16818), (1773, 11212), (2364, 8409), (2803, 7092), (3546, 5606)]