18273808

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{977}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 40747392

約数和(自身を除く): 22473584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 977, 1169, 1336, 1954, 2338, 2672, 3908, 4676, 6839, 7816, 9352, 13678, 15632, 18704, 27356, 54712, 109424, 163159, 326318, 652636, 1142113, 1305272, 2284226, 2610544, 4568452, 9136904, 18273808]

約数ペア:

[(1, 18273808), (2, 9136904), (4, 4568452), (7, 2610544), (8, 2284226), (14, 1305272), (16, 1142113), (28, 652636), (56, 326318), (112, 163159), (167, 109424), (334, 54712), (668, 27356), (977, 18704), (1169, 15632), (1336, 13678), (1954, 9352), (2338, 7816), (2672, 6839), (3908, 4676)]