18439900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{10847}}^1$

素因数の和:10878

約数の個数: 36

約数和(自身を含む): 42372288

約数和(自身を除く): 23932388

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 10847, 21694, 43388, 54235, 108470, 184399, 216940, 271175, 368798, 542350, 737596, 921995, 1084700, 1843990, 3687980, 4609975, 9219950, 18439900]

約数ペア:

[(1, 18439900), (2, 9219950), (4, 4609975), (5, 3687980), (10, 1843990), (17, 1084700), (20, 921995), (25, 737596), (34, 542350), (50, 368798), (68, 271175), (85, 216940), (100, 184399), (170, 108470), (340, 54235), (425, 43388), (850, 21694), (1700, 10847)]