18847580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40973}}^1$

素因数の和:41005

約数の個数: 24

約数和(自身を含む): 41301792

約数和(自身を除く): 22454212

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40973, 81946, 163892, 204865, 409730, 819460, 942379, 1884758, 3769516, 4711895, 9423790, 18847580]

約数ペア:

[(1, 18847580), (2, 9423790), (4, 4711895), (5, 3769516), (10, 1884758), (20, 942379), (23, 819460), (46, 409730), (92, 204865), (115, 163892), (230, 81946), (460, 40973)]