18219236

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10667}}^1$

素因数の和:10739

約数の個数: 24

約数和(自身を含む): 37039296

約数和(自身を除く): 18820060

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 10667, 21334, 42668, 74669, 149338, 298676, 650687, 1301374, 2602748, 4554809, 9109618, 18219236]

約数ペア:

[(1, 18219236), (2, 9109618), (4, 4554809), (7, 2602748), (14, 1301374), (28, 650687), (61, 298676), (122, 149338), (244, 74669), (427, 42668), (854, 21334), (1708, 10667)]