18474980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40163}}^1$

素因数の和:40195

約数の個数: 24

約数和(自身を含む): 40485312

約数和(自身を除く): 22010332

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40163, 80326, 160652, 200815, 401630, 803260, 923749, 1847498, 3694996, 4618745, 9237490, 18474980]

約数ペア:

[(1, 18474980), (2, 9237490), (4, 4618745), (5, 3694996), (10, 1847498), (20, 923749), (23, 803260), (46, 401630), (92, 200815), (115, 160652), (230, 80326), (460, 40163)]