19688976

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1960

約数の個数: 60

約数和(自身を含む): 55886428

約数和(自身を除く): 36197452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 1873, 2628, 3504, 3746, 5256, 5619, 7492, 10512, 11238, 14984, 16857, 22476, 29968, 33714, 44952, 67428, 89904, 134856, 136729, 269712, 273458, 410187, 546916, 820374, 1093832, 1230561, 1640748, 2187664, 2461122, 3281496, 4922244, 6562992, 9844488, 19688976]

約数ペア:

[(1, 19688976), (2, 9844488), (3, 6562992), (4, 4922244), (6, 3281496), (8, 2461122), (9, 2187664), (12, 1640748), (16, 1230561), (18, 1093832), (24, 820374), (36, 546916), (48, 410187), (72, 273458), (73, 269712), (144, 136729), (146, 134856), (219, 89904), (292, 67428), (438, 44952), (584, 33714), (657, 29968), (876, 22476), (1168, 16857), (1314, 14984), (1752, 11238), (1873, 10512), (2628, 7492), (3504, 5619), (3746, 5256)]