19541900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{27917}}^1$

素因数の和:27938

約数の個数: 36

約数和(自身を含む): 48465648

約数和(自身を除く): 28923748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 27917, 55834, 111668, 139585, 195419, 279170, 390838, 558340, 697925, 781676, 977095, 1395850, 1954190, 2791700, 3908380, 4885475, 9770950, 19541900]

約数ペア:

[(1, 19541900), (2, 9770950), (4, 4885475), (5, 3908380), (7, 2791700), (10, 1954190), (14, 1395850), (20, 977095), (25, 781676), (28, 697925), (35, 558340), (50, 390838), (70, 279170), (100, 195419), (140, 139585), (175, 111668), (350, 55834), (700, 27917)]