19158890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 35816256

約数和(自身を除く): 16657366

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 563, 830, 1126, 2815, 3403, 5630, 6806, 17015, 23083, 34030, 46166, 46729, 93458, 115415, 230830, 233645, 467290, 1915889, 3831778, 9579445, 19158890]

約数ペア:

[(1, 19158890), (2, 9579445), (5, 3831778), (10, 1915889), (41, 467290), (82, 233645), (83, 230830), (166, 115415), (205, 93458), (410, 46729), (415, 46166), (563, 34030), (830, 23083), (1126, 17015), (2815, 6806), (3403, 5630)]