18954884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3539}}^1$

素因数の和:3659

約数の個数: 24

約数和(自身を含む): 36079680

約数和(自身を除く): 17124796

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3539, 5356, 7078, 14156, 46007, 92014, 184028, 364517, 729034, 1458068, 4738721, 9477442, 18954884]

約数ペア:

[(1, 18954884), (2, 9477442), (4, 4738721), (13, 1458068), (26, 729034), (52, 364517), (103, 184028), (206, 92014), (412, 46007), (1339, 14156), (2678, 7078), (3539, 5356)]