18405280340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40011479}}^1$

素因数の和:40011511

約数の個数: 24

約数和(自身を含む): 40331571840

約数和(自身を除く): 21926291500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40011479, 80022958, 160045916, 200057395, 400114790, 800229580, 920264017, 1840528034, 3681056068, 4601320085, 9202640170, 18405280340]

約数ペア:

[(1, 18405280340), (2, 9202640170), (4, 4601320085), (5, 3681056068), (10, 1840528034), (20, 920264017), (23, 800229580), (46, 400114790), (92, 200057395), (115, 160045916), (230, 80022958), (460, 40011479)]