19365976

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 23315624

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 389, 392, 508, 778, 889, 1016, 1556, 1778, 2723, 3112, 3556, 5446, 6223, 7112, 10892, 12446, 19061, 21784, 24892, 38122, 49403, 49784, 76244, 98806, 152488, 197612, 345821, 395224, 691642, 1383284, 2420747, 2766568, 4841494, 9682988, 19365976]

約数ペア:

[(1, 19365976), (2, 9682988), (4, 4841494), (7, 2766568), (8, 2420747), (14, 1383284), (28, 691642), (49, 395224), (56, 345821), (98, 197612), (127, 152488), (196, 98806), (254, 76244), (389, 49784), (392, 49403), (508, 38122), (778, 24892), (889, 21784), (1016, 19061), (1556, 12446), (1778, 10892), (2723, 7112), (3112, 6223), (3556, 5446)]