19021725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4973}}^1$

素因数の和:5006

約数の個数: 36

約数和(自身を含む): 36081396

約数和(自身を除く): 17059671

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 4973, 14919, 24865, 44757, 74595, 84541, 124325, 223785, 253623, 372975, 422705, 760869, 1118925, 1268115, 2113525, 3804345, 6340575, 19021725]

約数ペア:

[(1, 19021725), (3, 6340575), (5, 3804345), (9, 2113525), (15, 1268115), (17, 1118925), (25, 760869), (45, 422705), (51, 372975), (75, 253623), (85, 223785), (153, 124325), (225, 84541), (255, 74595), (425, 44757), (765, 24865), (1275, 14919), (3825, 4973)]