19653448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 39024000

約数和(自身を除く): 19370552

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 541, 956, 1082, 1912, 2164, 4328, 4541, 9082, 10279, 18164, 20558, 36328, 41116, 82232, 129299, 258598, 517196, 1034392, 2456681, 4913362, 9826724, 19653448]

約数ペア:

[(1, 19653448), (2, 9826724), (4, 4913362), (8, 2456681), (19, 1034392), (38, 517196), (76, 258598), (152, 129299), (239, 82232), (478, 41116), (541, 36328), (956, 20558), (1082, 18164), (1912, 10279), (2164, 9082), (4328, 4541)]