19722346

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 16358294

約数列:

[1, 2, 7, 14, 17, 34, 119, 173, 238, 346, 479, 958, 1211, 2422, 2941, 3353, 5882, 6706, 8143, 16286, 20587, 41174, 57001, 82867, 114002, 165734, 580069, 1160138, 1408739, 2817478, 9861173, 19722346]

約数ペア:

[(1, 19722346), (2, 9861173), (7, 2817478), (14, 1408739), (17, 1160138), (34, 580069), (119, 165734), (173, 114002), (238, 82867), (346, 57001), (479, 41174), (958, 20587), (1211, 16286), (2422, 8143), (2941, 6706), (3353, 5882)]