19634000

素因数分解:

$2^4\times 5^3\times {\mathrm{9817}}^1$

素因数の和:9840

約数の個数: 40

約数和(自身を含む): 47479848

約数和(自身を除く): 27845848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9817, 19634, 39268, 49085, 78536, 98170, 157072, 196340, 245425, 392680, 490850, 785360, 981700, 1227125, 1963400, 2454250, 3926800, 4908500, 9817000, 19634000]

約数ペア:

[(1, 19634000), (2, 9817000), (4, 4908500), (5, 3926800), (8, 2454250), (10, 1963400), (16, 1227125), (20, 981700), (25, 785360), (40, 490850), (50, 392680), (80, 245425), (100, 196340), (125, 157072), (200, 98170), (250, 78536), (400, 49085), (500, 39268), (1000, 19634), (2000, 9817)]