18788336

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{739}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 41842560

約数和(自身を除く): 23054224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 739, 908, 1478, 1589, 1816, 2956, 3178, 3632, 5173, 5912, 6356, 10346, 11824, 12712, 20692, 25424, 41384, 82768, 167753, 335506, 671012, 1174271, 1342024, 2348542, 2684048, 4697084, 9394168, 18788336]

約数ペア:

[(1, 18788336), (2, 9394168), (4, 4697084), (7, 2684048), (8, 2348542), (14, 1342024), (16, 1174271), (28, 671012), (56, 335506), (112, 167753), (227, 82768), (454, 41384), (739, 25424), (908, 20692), (1478, 12712), (1589, 11824), (1816, 10346), (2956, 6356), (3178, 5912), (3632, 5173)]