19982050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 41461632

約数和(自身を除く): 21479582

約数列:

[1, 2, 5, 10, 11, 22, 25, 47, 50, 55, 94, 110, 235, 275, 470, 517, 550, 773, 1034, 1175, 1546, 2350, 2585, 3865, 5170, 7730, 8503, 12925, 17006, 19325, 25850, 36331, 38650, 42515, 72662, 85030, 181655, 212575, 363310, 399641, 425150, 799282, 908275, 1816550, 1998205, 3996410, 9991025, 19982050]

約数ペア:

[(1, 19982050), (2, 9991025), (5, 3996410), (10, 1998205), (11, 1816550), (22, 908275), (25, 799282), (47, 425150), (50, 399641), (55, 363310), (94, 212575), (110, 181655), (235, 85030), (275, 72662), (470, 42515), (517, 38650), (550, 36331), (773, 25850), (1034, 19325), (1175, 17006), (1546, 12925), (2350, 8503), (2585, 7730), (3865, 5170)]