19701286670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{53951}}^1$

素因数の和:54077

約数の個数: 48

約数和(自身を含む): 38925073152

約数和(自身を除く): 19223786482

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2809, 3445, 5618, 6890, 14045, 28090, 36517, 53951, 73034, 107902, 182585, 269755, 365170, 539510, 701363, 1402726, 2859403, 3506815, 5718806, 7013630, 14297015, 28594030, 37172239, 74344478, 151548359, 185861195, 303096718, 371722390, 757741795, 1515483590, 1970128667, 3940257334, 9850643335, 19701286670]

約数ペア:

[(1, 19701286670), (2, 9850643335), (5, 3940257334), (10, 1970128667), (13, 1515483590), (26, 757741795), (53, 371722390), (65, 303096718), (106, 185861195), (130, 151548359), (265, 74344478), (530, 37172239), (689, 28594030), (1378, 14297015), (2809, 7013630), (3445, 5718806), (5618, 3506815), (6890, 2859403), (14045, 1402726), (28090, 701363), (36517, 539510), (53951, 365170), (73034, 269755), (107902, 182585)]