19737328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3061}}^1$

素因数の和:3113

約数の個数: 40

約数和(自身を含む): 42525056

約数和(自身を除く): 22787728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3061, 3224, 6122, 6448, 12244, 24488, 39793, 48976, 79586, 94891, 159172, 189782, 318344, 379564, 636688, 759128, 1233583, 1518256, 2467166, 4934332, 9868664, 19737328]

約数ペア:

[(1, 19737328), (2, 9868664), (4, 4934332), (8, 2467166), (13, 1518256), (16, 1233583), (26, 759128), (31, 636688), (52, 379564), (62, 318344), (104, 189782), (124, 159172), (208, 94891), (248, 79586), (403, 48976), (496, 39793), (806, 24488), (1612, 12244), (3061, 6448), (3224, 6122)]