19510716

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 47867904

約数和(自身を除く): 28357188

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 223, 276, 317, 446, 634, 669, 892, 951, 1268, 1338, 1902, 2676, 3804, 5129, 7291, 10258, 14582, 15387, 20516, 21873, 29164, 30774, 43746, 61548, 70691, 87492, 141382, 212073, 282764, 424146, 848292, 1625893, 3251786, 4877679, 6503572, 9755358, 19510716]

約数ペア:

[(1, 19510716), (2, 9755358), (3, 6503572), (4, 4877679), (6, 3251786), (12, 1625893), (23, 848292), (46, 424146), (69, 282764), (92, 212073), (138, 141382), (223, 87492), (276, 70691), (317, 61548), (446, 43746), (634, 30774), (669, 29164), (892, 21873), (951, 20516), (1268, 15387), (1338, 14582), (1902, 10258), (2676, 7291), (3804, 5129)]