18897256

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6367}}^1$

素因数の和:6433

約数の個数: 32

約数和(自身を含む): 41264640

約数和(自身を除く): 22367384

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6367, 12734, 25468, 44569, 50936, 89138, 178276, 337451, 356552, 674902, 1349804, 2362157, 2699608, 4724314, 9448628, 18897256]

約数ペア:

[(1, 18897256), (2, 9448628), (4, 4724314), (7, 2699608), (8, 2362157), (14, 1349804), (28, 674902), (53, 356552), (56, 337451), (106, 178276), (212, 89138), (371, 50936), (424, 44569), (742, 25468), (1484, 12734), (2968, 6367)]