19493900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11467}}^1$

素因数の和:11498

約数の個数: 36

約数和(自身を含む): 44794008

約数和(自身を除く): 25300108

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11467, 22934, 45868, 57335, 114670, 194939, 229340, 286675, 389878, 573350, 779756, 974695, 1146700, 1949390, 3898780, 4873475, 9746950, 19493900]

約数ペア:

[(1, 19493900), (2, 9746950), (4, 4873475), (5, 3898780), (10, 1949390), (17, 1146700), (20, 974695), (25, 779756), (34, 573350), (50, 389878), (68, 286675), (85, 229340), (100, 194939), (170, 114670), (340, 57335), (425, 45868), (850, 22934), (1700, 11467)]