19853900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18049}}^1$

素因数の和:18074

約数の個数: 36

約数和(自身を含む): 47002200

約数和(自身を除く): 27148300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18049, 36098, 72196, 90245, 180490, 198539, 360980, 397078, 451225, 794156, 902450, 992695, 1804900, 1985390, 3970780, 4963475, 9926950, 19853900]

約数ペア:

[(1, 19853900), (2, 9926950), (4, 4963475), (5, 3970780), (10, 1985390), (11, 1804900), (20, 992695), (22, 902450), (25, 794156), (44, 451225), (50, 397078), (55, 360980), (100, 198539), (110, 180490), (220, 90245), (275, 72196), (550, 36098), (1100, 18049)]