19687624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 40442400

約数和(自身を除く): 20754776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 409, 547, 818, 1094, 1636, 2188, 3272, 4376, 4499, 6017, 8998, 12034, 17996, 24068, 35992, 48136, 223723, 447446, 894892, 1789784, 2460953, 4921906, 9843812, 19687624]

約数ペア:

[(1, 19687624), (2, 9843812), (4, 4921906), (8, 2460953), (11, 1789784), (22, 894892), (44, 447446), (88, 223723), (409, 48136), (547, 35992), (818, 24068), (1094, 17996), (1636, 12034), (2188, 8998), (3272, 6017), (4376, 4499)]