18939378

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 20718222

約数列:

[1, 2, 3, 6, 29, 58, 87, 89, 174, 178, 267, 534, 1223, 2446, 2581, 3669, 5162, 7338, 7743, 15486, 35467, 70934, 106401, 108847, 212802, 217694, 326541, 653082, 3156563, 6313126, 9469689, 18939378]

約数ペア:

[(1, 18939378), (2, 9469689), (3, 6313126), (6, 3156563), (29, 653082), (58, 326541), (87, 217694), (89, 212802), (174, 108847), (178, 106401), (267, 70934), (534, 35467), (1223, 15486), (2446, 7743), (2581, 7338), (3669, 5162)]