18132940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18503}}^1$

素因数の和:18526

約数の個数: 36

約数和(自身を含む): 44298576

約数和(自身を除く): 26165636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18503, 37006, 74012, 92515, 129521, 185030, 259042, 370060, 518084, 647605, 906647, 1295210, 1813294, 2590420, 3626588, 4533235, 9066470, 18132940]

約数ペア:

[(1, 18132940), (2, 9066470), (4, 4533235), (5, 3626588), (7, 2590420), (10, 1813294), (14, 1295210), (20, 906647), (28, 647605), (35, 518084), (49, 370060), (70, 259042), (98, 185030), (140, 129521), (196, 92515), (245, 74012), (490, 37006), (980, 18503)]