18418708

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8543}}^1$

素因数の和:8572

約数の個数: 36

約数和(自身を含む): 40908672

約数和(自身を除く): 22489964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 8543, 17086, 34172, 59801, 93973, 119602, 187946, 239204, 375892, 418607, 657811, 837214, 1315622, 1674428, 2631244, 4604677, 9209354, 18418708]

約数ペア:

[(1, 18418708), (2, 9209354), (4, 4604677), (7, 2631244), (11, 1674428), (14, 1315622), (22, 837214), (28, 657811), (44, 418607), (49, 375892), (77, 239204), (98, 187946), (154, 119602), (196, 93973), (308, 59801), (539, 34172), (1078, 17086), (2156, 8543)]