19783218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1951

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 31503822

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1907, 3458, 3814, 5187, 5721, 10374, 11442, 13349, 24791, 26698, 36233, 40047, 49582, 72466, 74373, 80094, 108699, 148746, 173537, 217398, 253631, 347074, 471029, 507262, 520611, 760893, 942058, 1041222, 1413087, 1521786, 2826174, 3297203, 6594406, 9891609, 19783218]

約数ペア:

[(1, 19783218), (2, 9891609), (3, 6594406), (6, 3297203), (7, 2826174), (13, 1521786), (14, 1413087), (19, 1041222), (21, 942058), (26, 760893), (38, 520611), (39, 507262), (42, 471029), (57, 347074), (78, 253631), (91, 217398), (114, 173537), (133, 148746), (182, 108699), (247, 80094), (266, 74373), (273, 72466), (399, 49582), (494, 40047), (546, 36233), (741, 26698), (798, 24791), (1482, 13349), (1729, 11442), (1907, 10374), (3458, 5721), (3814, 5187)]