19480895

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 29289600

約数和(自身を除く): 9808705

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 1129, 2465, 3451, 5645, 7903, 17255, 19193, 32741, 39515, 95965, 134351, 163705, 229187, 556597, 671755, 1145935, 2782985, 3896179, 19480895]

約数ペア:

[(1, 19480895), (5, 3896179), (7, 2782985), (17, 1145935), (29, 671755), (35, 556597), (85, 229187), (119, 163705), (145, 134351), (203, 95965), (493, 39515), (595, 32741), (1015, 19193), (1129, 17255), (2465, 7903), (3451, 5645)]