18279856

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{719}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 22431824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 719, 908, 1438, 1589, 1816, 2876, 3178, 3632, 5033, 5752, 6356, 10066, 11504, 12712, 20132, 25424, 40264, 80528, 163213, 326426, 652852, 1142491, 1305704, 2284982, 2611408, 4569964, 9139928, 18279856]

約数ペア:

[(1, 18279856), (2, 9139928), (4, 4569964), (7, 2611408), (8, 2284982), (14, 1305704), (16, 1142491), (28, 652852), (56, 326426), (112, 163213), (227, 80528), (454, 40264), (719, 25424), (908, 20132), (1438, 12712), (1589, 11504), (1816, 10066), (2876, 6356), (3178, 5752), (3632, 5033)]