19228638

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 45948672

約数和(自身を除く): 26720034

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 73, 78, 143, 146, 219, 286, 307, 429, 438, 614, 803, 858, 921, 949, 1606, 1842, 1898, 2409, 2847, 3377, 3991, 4818, 5694, 6754, 7982, 10131, 10439, 11973, 20262, 20878, 22411, 23946, 31317, 43901, 44822, 62634, 67233, 87802, 131703, 134466, 246521, 263406, 291343, 493042, 582686, 739563, 874029, 1479126, 1748058, 3204773, 6409546, 9614319, 19228638]

約数ペア:

[(1, 19228638), (2, 9614319), (3, 6409546), (6, 3204773), (11, 1748058), (13, 1479126), (22, 874029), (26, 739563), (33, 582686), (39, 493042), (66, 291343), (73, 263406), (78, 246521), (143, 134466), (146, 131703), (219, 87802), (286, 67233), (307, 62634), (429, 44822), (438, 43901), (614, 31317), (803, 23946), (858, 22411), (921, 20878), (949, 20262), (1606, 11973), (1842, 10439), (1898, 10131), (2409, 7982), (2847, 6754), (3377, 5694), (3991, 4818)]