19816159893

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{55117}}^1$

素因数の和:55277

約数の個数: 32

約数和(自身を含む): 28149864960

約数和(自身を除く): 8333705067

約数列:

[1, 3, 37, 41, 79, 111, 123, 237, 1517, 2923, 3239, 4551, 8769, 9717, 55117, 119843, 165351, 359529, 2039329, 2259797, 4354243, 6117987, 6779391, 13062729, 83612489, 161106991, 178523963, 250837467, 483320973, 535571889, 6605386631, 19816159893]

約数ペア:

[(1, 19816159893), (3, 6605386631), (37, 535571889), (41, 483320973), (79, 250837467), (111, 178523963), (123, 161106991), (237, 83612489), (1517, 13062729), (2923, 6779391), (3239, 6117987), (4551, 4354243), (8769, 2259797), (9717, 2039329), (55117, 359529), (119843, 165351)]