19002140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 42154560

約数和(自身を除く): 23152420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 409, 460, 505, 818, 1010, 1636, 2020, 2045, 2323, 4090, 4646, 8180, 9292, 9407, 11615, 18814, 23230, 37628, 41309, 46460, 47035, 82618, 94070, 165236, 188140, 206545, 413090, 826180, 950107, 1900214, 3800428, 4750535, 9501070, 19002140]

約数ペア:

[(1, 19002140), (2, 9501070), (4, 4750535), (5, 3800428), (10, 1900214), (20, 950107), (23, 826180), (46, 413090), (92, 206545), (101, 188140), (115, 165236), (202, 94070), (230, 82618), (404, 47035), (409, 46460), (460, 41309), (505, 37628), (818, 23230), (1010, 18814), (1636, 11615), (2020, 9407), (2045, 9292), (2323, 8180), (4090, 4646)]