18799683

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 31518720

約数和(自身を除く): 12719037

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 127, 133, 147, 159, 371, 381, 399, 889, 931, 1007, 1113, 2413, 2597, 2667, 2793, 3021, 6223, 6731, 7049, 7239, 7791, 16891, 18669, 20193, 21147, 47117, 49343, 50673, 118237, 127889, 141351, 148029, 329819, 354711, 383667, 895223, 989457, 2685669, 6266561, 18799683]

約数ペア:

[(1, 18799683), (3, 6266561), (7, 2685669), (19, 989457), (21, 895223), (49, 383667), (53, 354711), (57, 329819), (127, 148029), (133, 141351), (147, 127889), (159, 118237), (371, 50673), (381, 49343), (399, 47117), (889, 21147), (931, 20193), (1007, 18669), (1113, 16891), (2413, 7791), (2597, 7239), (2667, 7049), (2793, 6731), (3021, 6223)]