19445900

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1193}}^1$

素因数の和:1370

約数の個数: 36

約数和(自身を含む): 42492072

約数和(自身を除く): 23046172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1193, 1630, 2386, 3260, 4075, 4772, 5965, 8150, 11930, 16300, 23860, 29825, 59650, 119300, 194459, 388918, 777836, 972295, 1944590, 3889180, 4861475, 9722950, 19445900]

約数ペア:

[(1, 19445900), (2, 9722950), (4, 4861475), (5, 3889180), (10, 1944590), (20, 972295), (25, 777836), (50, 388918), (100, 194459), (163, 119300), (326, 59650), (652, 29825), (815, 23860), (1193, 16300), (1630, 11930), (2386, 8150), (3260, 5965), (4075, 4772)]