19253992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 18999608

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 643, 788, 1286, 1576, 2572, 3743, 5144, 7486, 12217, 14972, 24434, 29944, 48868, 97736, 126671, 253342, 506684, 1013368, 2406749, 4813498, 9626996, 19253992]

約数ペア:

[(1, 19253992), (2, 9626996), (4, 4813498), (8, 2406749), (19, 1013368), (38, 506684), (76, 253342), (152, 126671), (197, 97736), (394, 48868), (643, 29944), (788, 24434), (1286, 14972), (1576, 12217), (2572, 7486), (3743, 5144)]