18879858

素因数分解:

$2^1\times 3^3\times {\mathrm{211}}^1\times {\mathrm{1657}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 42179520

約数和(自身を除く): 23299662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 211, 422, 633, 1266, 1657, 1899, 3314, 3798, 4971, 5697, 9942, 11394, 14913, 29826, 44739, 89478, 349627, 699254, 1048881, 2097762, 3146643, 6293286, 9439929, 18879858]

約数ペア:

[(1, 18879858), (2, 9439929), (3, 6293286), (6, 3146643), (9, 2097762), (18, 1048881), (27, 699254), (54, 349627), (211, 89478), (422, 44739), (633, 29826), (1266, 14913), (1657, 11394), (1899, 9942), (3314, 5697), (3798, 4971)]