19108528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 39283200

約数和(自身を除く): 20174672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 263, 304, 478, 526, 956, 1052, 1912, 2104, 3824, 4208, 4541, 4997, 9082, 9994, 18164, 19988, 36328, 39976, 62857, 72656, 79952, 125714, 251428, 502856, 1005712, 1194283, 2388566, 4777132, 9554264, 19108528]

約数ペア:

[(1, 19108528), (2, 9554264), (4, 4777132), (8, 2388566), (16, 1194283), (19, 1005712), (38, 502856), (76, 251428), (152, 125714), (239, 79952), (263, 72656), (304, 62857), (478, 39976), (526, 36328), (956, 19988), (1052, 18164), (1912, 9994), (2104, 9082), (3824, 4997), (4208, 4541)]