19042000

素因数分解:

$2^4\times 5^3\times {\mathrm{9521}}^1$

素因数の和:9544

約数の個数: 40

約数和(自身を含む): 46048392

約数和(自身を除く): 27006392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9521, 19042, 38084, 47605, 76168, 95210, 152336, 190420, 238025, 380840, 476050, 761680, 952100, 1190125, 1904200, 2380250, 3808400, 4760500, 9521000, 19042000]

約数ペア:

[(1, 19042000), (2, 9521000), (4, 4760500), (5, 3808400), (8, 2380250), (10, 1904200), (16, 1190125), (20, 952100), (25, 761680), (40, 476050), (50, 380840), (80, 238025), (100, 190420), (125, 152336), (200, 95210), (250, 76168), (400, 47605), (500, 38084), (1000, 19042), (2000, 9521)]