2019404780

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1\times {\mathrm{1427}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 4278687840

約数和(自身を除く): 2259283060

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 409, 692, 818, 865, 1427, 1636, 1730, 2045, 2854, 3460, 4090, 5708, 7135, 8180, 14270, 28540, 70757, 141514, 246871, 283028, 353785, 493742, 583643, 707570, 987484, 1167286, 1234355, 1415140, 2334572, 2468710, 2918215, 4937420, 5836430, 11672860, 100970239, 201940478, 403880956, 504851195, 1009702390, 2019404780]

約数ペア:

[(1, 2019404780), (2, 1009702390), (4, 504851195), (5, 403880956), (10, 201940478), (20, 100970239), (173, 11672860), (346, 5836430), (409, 4937420), (692, 2918215), (818, 2468710), (865, 2334572), (1427, 1415140), (1636, 1234355), (1730, 1167286), (2045, 987484), (2854, 707570), (3460, 583643), (4090, 493742), (5708, 353785), (7135, 283028), (8180, 246871), (14270, 141514), (28540, 70757)]