19875213

素因数分解:

$3^5\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 30139200

約数和(自身を除く): 10263987

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 801, 919, 2403, 2757, 7209, 8271, 21627, 24813, 74439, 81791, 223317, 245373, 736119, 2208357, 6625071, 19875213]

約数ペア:

[(1, 19875213), (3, 6625071), (9, 2208357), (27, 736119), (81, 245373), (89, 223317), (243, 81791), (267, 74439), (801, 24813), (919, 21627), (2403, 8271), (2757, 7209)]