18738776

素因数分解:

$2^3\times 7^3\times {\mathrm{6829}}^1$

素因数の和:6856

約数の個数: 32

約数和(自身を含む): 40980000

約数和(自身を除く): 22241224

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 6829, 13658, 27316, 47803, 54632, 95606, 191212, 334621, 382424, 669242, 1338484, 2342347, 2676968, 4684694, 9369388, 18738776]

約数ペア:

[(1, 18738776), (2, 9369388), (4, 4684694), (7, 2676968), (8, 2342347), (14, 1338484), (28, 669242), (49, 382424), (56, 334621), (98, 191212), (196, 95606), (343, 54632), (392, 47803), (686, 27316), (1372, 13658), (2744, 6829)]