18368220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23549}}^1$

素因数の和:23574

約数の個数: 48

約数和(自身を含む): 55389600

約数和(自身を除く): 37021380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23549, 47098, 70647, 94196, 117745, 141294, 235490, 282588, 306137, 353235, 470980, 612274, 706470, 918411, 1224548, 1412940, 1530685, 1836822, 3061370, 3673644, 4592055, 6122740, 9184110, 18368220]

約数ペア:

[(1, 18368220), (2, 9184110), (3, 6122740), (4, 4592055), (5, 3673644), (6, 3061370), (10, 1836822), (12, 1530685), (13, 1412940), (15, 1224548), (20, 918411), (26, 706470), (30, 612274), (39, 470980), (52, 353235), (60, 306137), (65, 282588), (78, 235490), (130, 141294), (156, 117745), (195, 94196), (260, 70647), (390, 47098), (780, 23549)]