18215538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 24362382

約数列:

[1, 2, 3, 6, 11, 22, 29, 31, 33, 58, 62, 66, 87, 93, 174, 186, 307, 319, 341, 614, 638, 682, 899, 921, 957, 1023, 1798, 1842, 1914, 2046, 2697, 3377, 5394, 6754, 8903, 9517, 9889, 10131, 17806, 19034, 19778, 20262, 26709, 28551, 29667, 53418, 57102, 59334, 97933, 104687, 195866, 209374, 275993, 293799, 314061, 551986, 587598, 628122, 827979, 1655958, 3035923, 6071846, 9107769, 18215538]

約数ペア:

[(1, 18215538), (2, 9107769), (3, 6071846), (6, 3035923), (11, 1655958), (22, 827979), (29, 628122), (31, 587598), (33, 551986), (58, 314061), (62, 293799), (66, 275993), (87, 209374), (93, 195866), (174, 104687), (186, 97933), (307, 59334), (319, 57102), (341, 53418), (614, 29667), (638, 28551), (682, 26709), (899, 20262), (921, 19778), (957, 19034), (1023, 17806), (1798, 10131), (1842, 9889), (1914, 9517), (2046, 8903), (2697, 6754), (3377, 5394)]