11988620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4507}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 30293760

約数和(自身を除く): 18305140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4507, 9014, 18028, 22535, 31549, 45070, 63098, 85633, 90140, 126196, 157745, 171266, 315490, 342532, 428165, 599431, 630980, 856330, 1198862, 1712660, 2397724, 2997155, 5994310, 11988620]

約数ペア:

[(1, 11988620), (2, 5994310), (4, 2997155), (5, 2397724), (7, 1712660), (10, 1198862), (14, 856330), (19, 630980), (20, 599431), (28, 428165), (35, 342532), (38, 315490), (70, 171266), (76, 157745), (95, 126196), (133, 90140), (140, 85633), (190, 63098), (266, 45070), (380, 31549), (532, 22535), (665, 18028), (1330, 9014), (2660, 4507)]