19400524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2609}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 40120920

約数和(自身を除く): 20720396

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2609, 3718, 5218, 7436, 10436, 28699, 33917, 57398, 67834, 114796, 135668, 373087, 440921, 746174, 881842, 1492348, 1763684, 4850131, 9700262, 19400524]

約数ペア:

[(1, 19400524), (2, 9700262), (4, 4850131), (11, 1763684), (13, 1492348), (22, 881842), (26, 746174), (44, 440921), (52, 373087), (143, 135668), (169, 114796), (286, 67834), (338, 57398), (572, 33917), (676, 28699), (1859, 10436), (2609, 7436), (3718, 5218)]