19223580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7451}}^1$

素因数の和:7506

約数の個数: 48

約数和(自身を含む): 55085184

約数和(自身を除く): 35861604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7451, 14902, 22353, 29804, 37255, 44706, 74510, 89412, 111765, 149020, 223530, 320393, 447060, 640786, 961179, 1281572, 1601965, 1922358, 3203930, 3844716, 4805895, 6407860, 9611790, 19223580]

約数ペア:

[(1, 19223580), (2, 9611790), (3, 6407860), (4, 4805895), (5, 3844716), (6, 3203930), (10, 1922358), (12, 1601965), (15, 1281572), (20, 961179), (30, 640786), (43, 447060), (60, 320393), (86, 223530), (129, 149020), (172, 111765), (215, 89412), (258, 74510), (430, 44706), (516, 37255), (645, 29804), (860, 22353), (1290, 14902), (2580, 7451)]