18368415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 17955873

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1847, 1989, 3315, 5541, 9235, 9945, 16623, 24011, 27705, 31399, 72033, 83115, 94197, 120055, 156995, 216099, 282591, 360165, 408187, 470985, 1080495, 1224561, 1412955, 2040935, 3673683, 6122805, 18368415]

約数ペア:

[(1, 18368415), (3, 6122805), (5, 3673683), (9, 2040935), (13, 1412955), (15, 1224561), (17, 1080495), (39, 470985), (45, 408187), (51, 360165), (65, 282591), (85, 216099), (117, 156995), (153, 120055), (195, 94197), (221, 83115), (255, 72033), (585, 31399), (663, 27705), (765, 24011), (1105, 16623), (1847, 9945), (1989, 9235), (3315, 5541)]