18287984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7993}}^1$

素因数の和:8025

約数の個数: 40

約数和(自身を含む): 41632752

約数和(自身を除く): 23344768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 7993, 15986, 31972, 63944, 87923, 103909, 127888, 175846, 207818, 351692, 415636, 703384, 831272, 1142999, 1406768, 1662544, 2285998, 4571996, 9143992, 18287984]

約数ペア:

[(1, 18287984), (2, 9143992), (4, 4571996), (8, 2285998), (11, 1662544), (13, 1406768), (16, 1142999), (22, 831272), (26, 703384), (44, 415636), (52, 351692), (88, 207818), (104, 175846), (143, 127888), (176, 103909), (208, 87923), (286, 63944), (572, 31972), (1144, 15986), (2288, 7993)]