18190484

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 35048160

約数和(自身を除く): 16857676

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 379, 676, 758, 923, 1516, 1846, 3692, 4927, 9854, 11999, 19708, 23998, 26909, 47996, 53818, 64051, 107636, 128102, 256204, 349817, 699634, 1399268, 4547621, 9095242, 18190484]

約数ペア:

[(1, 18190484), (2, 9095242), (4, 4547621), (13, 1399268), (26, 699634), (52, 349817), (71, 256204), (142, 128102), (169, 107636), (284, 64051), (338, 53818), (379, 47996), (676, 26909), (758, 23998), (923, 19708), (1516, 11999), (1846, 9854), (3692, 4927)]