18496688

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 41187840

約数和(自身を除く): 22691152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 691, 956, 1382, 1673, 1912, 2764, 3346, 3824, 4837, 5528, 6692, 9674, 11056, 13384, 19348, 26768, 38696, 77392, 165149, 330298, 660596, 1156043, 1321192, 2312086, 2642384, 4624172, 9248344, 18496688]

約数ペア:

[(1, 18496688), (2, 9248344), (4, 4624172), (7, 2642384), (8, 2312086), (14, 1321192), (16, 1156043), (28, 660596), (56, 330298), (112, 165149), (239, 77392), (478, 38696), (691, 26768), (956, 19348), (1382, 13384), (1673, 11056), (1912, 9674), (2764, 6692), (3346, 5528), (3824, 4837)]