19153816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 40410720

約数和(自身を除く): 21256904

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 421, 484, 517, 842, 968, 1034, 1684, 2068, 3368, 4136, 4631, 5687, 9262, 11374, 18524, 19787, 22748, 37048, 39574, 45496, 50941, 79148, 101882, 158296, 203764, 217657, 407528, 435314, 870628, 1741256, 2394227, 4788454, 9576908, 19153816]

約数ペア:

[(1, 19153816), (2, 9576908), (4, 4788454), (8, 2394227), (11, 1741256), (22, 870628), (44, 435314), (47, 407528), (88, 217657), (94, 203764), (121, 158296), (188, 101882), (242, 79148), (376, 50941), (421, 45496), (484, 39574), (517, 37048), (842, 22748), (968, 19787), (1034, 18524), (1684, 11374), (2068, 9262), (3368, 5687), (4136, 4631)]