19497400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7528

約数の個数: 48

約数和(自身を含む): 48825000

約数和(自身を除く): 29327600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7499, 14998, 29996, 37495, 59992, 74990, 97487, 149980, 187475, 194974, 299960, 374950, 389948, 487435, 749900, 779896, 974870, 1499800, 1949740, 2437175, 3899480, 4874350, 9748700, 19497400]

約数ペア:

[(1, 19497400), (2, 9748700), (4, 4874350), (5, 3899480), (8, 2437175), (10, 1949740), (13, 1499800), (20, 974870), (25, 779896), (26, 749900), (40, 487435), (50, 389948), (52, 374950), (65, 299960), (100, 194974), (104, 187475), (130, 149980), (200, 97487), (260, 74990), (325, 59992), (520, 37495), (650, 29996), (1300, 14998), (2600, 7499)]