18416520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51157}}^1$

素因数の和:51174

約数の個数: 48

約数和(自身を含む): 59854860

約数和(自身を除く): 41438340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 51157, 102314, 153471, 204628, 255785, 306942, 409256, 460413, 511570, 613884, 767355, 920826, 1023140, 1227768, 1534710, 1841652, 2046280, 2302065, 3069420, 3683304, 4604130, 6138840, 9208260, 18416520]

約数ペア:

[(1, 18416520), (2, 9208260), (3, 6138840), (4, 4604130), (5, 3683304), (6, 3069420), (8, 2302065), (9, 2046280), (10, 1841652), (12, 1534710), (15, 1227768), (18, 1023140), (20, 920826), (24, 767355), (30, 613884), (36, 511570), (40, 460413), (45, 409256), (60, 306942), (72, 255785), (90, 204628), (120, 153471), (180, 102314), (360, 51157)]