19847776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47711}}^1$

素因数の和:47734

約数の個数: 24

約数和(自身を含む): 42081984

約数和(自身を除く): 22234208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 47711, 95422, 190844, 381688, 620243, 763376, 1240486, 1526752, 2480972, 4961944, 9923888, 19847776]

約数ペア:

[(1, 19847776), (2, 9923888), (4, 4961944), (8, 2480972), (13, 1526752), (16, 1240486), (26, 763376), (32, 620243), (52, 381688), (104, 190844), (208, 95422), (416, 47711)]