18222918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3167}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 41969664

約数和(自身を除く): 23746746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3167, 5754, 6334, 9501, 19002, 22169, 44338, 66507, 133014, 433879, 867758, 1301637, 2603274, 3037153, 6074306, 9111459, 18222918]

約数ペア:

[(1, 18222918), (2, 9111459), (3, 6074306), (6, 3037153), (7, 2603274), (14, 1301637), (21, 867758), (42, 433879), (137, 133014), (274, 66507), (411, 44338), (822, 22169), (959, 19002), (1918, 9501), (2877, 6334), (3167, 5754)]