18401923100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{389047}}^1$

素因数の和:389115

約数の個数: 72

約数和(自身を含む): 44575563648

約数和(自身を除く): 26173640548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 430, 473, 550, 860, 946, 1075, 1100, 1892, 2150, 2365, 4300, 4730, 9460, 11825, 23650, 47300, 389047, 778094, 1556188, 1945235, 3890470, 4279517, 7780940, 8559034, 9726175, 16729021, 17118068, 19452350, 21397585, 33458042, 38904700, 42795170, 66916084, 83645105, 85590340, 106987925, 167290210, 184019231, 213975850, 334580420, 368038462, 418225525, 427951700, 736076924, 836451050, 920096155, 1672902100, 1840192310, 3680384620, 4600480775, 9200961550, 18401923100]

約数ペア:

[(1, 18401923100), (2, 9200961550), (4, 4600480775), (5, 3680384620), (10, 1840192310), (11, 1672902100), (20, 920096155), (22, 836451050), (25, 736076924), (43, 427951700), (44, 418225525), (50, 368038462), (55, 334580420), (86, 213975850), (100, 184019231), (110, 167290210), (172, 106987925), (215, 85590340), (220, 83645105), (275, 66916084), (430, 42795170), (473, 38904700), (550, 33458042), (860, 21397585), (946, 19452350), (1075, 17118068), (1100, 16729021), (1892, 9726175), (2150, 8559034), (2365, 7780940), (4300, 4279517), (4730, 3890470), (9460, 1945235), (11825, 1556188), (23650, 778094), (47300, 389047)]