19942325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 27269088

約数和(自身を除く): 7326763

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1427, 2795, 7135, 13975, 18551, 35675, 61361, 92755, 306805, 463775, 797693, 1534025, 3988465, 19942325]

約数ペア:

[(1, 19942325), (5, 3988465), (13, 1534025), (25, 797693), (43, 463775), (65, 306805), (215, 92755), (325, 61361), (559, 35675), (1075, 18551), (1427, 13975), (2795, 7135)]