18781340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40829}}^1$

素因数の和:40861

約数の個数: 24

約数和(自身を含む): 41156640

約数和(自身を除く): 22375300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40829, 81658, 163316, 204145, 408290, 816580, 939067, 1878134, 3756268, 4695335, 9390670, 18781340]

約数ペア:

[(1, 18781340), (2, 9390670), (4, 4695335), (5, 3756268), (10, 1878134), (20, 939067), (23, 816580), (46, 408290), (92, 204145), (115, 163316), (230, 81658), (460, 40829)]