19871160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3908

約数の個数: 64

約数和(自身を含む): 61015680

約数和(自身を除く): 41144520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3851, 5160, 7702, 11553, 15404, 19255, 23106, 30808, 38510, 46212, 57765, 77020, 92424, 115530, 154040, 165593, 231060, 331186, 462120, 496779, 662372, 827965, 993558, 1324744, 1655930, 1987116, 2483895, 3311860, 3974232, 4967790, 6623720, 9935580, 19871160]

約数ペア:

[(1, 19871160), (2, 9935580), (3, 6623720), (4, 4967790), (5, 3974232), (6, 3311860), (8, 2483895), (10, 1987116), (12, 1655930), (15, 1324744), (20, 993558), (24, 827965), (30, 662372), (40, 496779), (43, 462120), (60, 331186), (86, 231060), (120, 165593), (129, 154040), (172, 115530), (215, 92424), (258, 77020), (344, 57765), (430, 46212), (516, 38510), (645, 30808), (860, 23106), (1032, 19255), (1290, 15404), (1720, 11553), (2580, 7702), (3851, 5160)]