19290500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 43203888

約数和(自身を除く): 23913388

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 941, 1025, 1882, 2050, 3764, 4100, 4705, 5125, 9410, 10250, 18820, 20500, 23525, 38581, 47050, 77162, 94100, 117625, 154324, 192905, 235250, 385810, 470500, 771620, 964525, 1929050, 3858100, 4822625, 9645250, 19290500]

約数ペア:

[(1, 19290500), (2, 9645250), (4, 4822625), (5, 3858100), (10, 1929050), (20, 964525), (25, 771620), (41, 470500), (50, 385810), (82, 235250), (100, 192905), (125, 154324), (164, 117625), (205, 94100), (250, 77162), (410, 47050), (500, 38581), (820, 23525), (941, 20500), (1025, 18820), (1882, 10250), (2050, 9410), (3764, 5125), (4100, 4705)]