18131300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 43872192

約数和(自身を除く): 25740892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 100, 106, 110, 212, 220, 265, 275, 311, 530, 550, 583, 622, 1060, 1100, 1166, 1244, 1325, 1555, 2332, 2650, 2915, 3110, 3421, 5300, 5830, 6220, 6842, 7775, 11660, 13684, 14575, 15550, 16483, 17105, 29150, 31100, 32966, 34210, 58300, 65932, 68420, 82415, 85525, 164830, 171050, 181313, 329660, 342100, 362626, 412075, 725252, 824150, 906565, 1648300, 1813130, 3626260, 4532825, 9065650, 18131300]

約数ペア:

[(1, 18131300), (2, 9065650), (4, 4532825), (5, 3626260), (10, 1813130), (11, 1648300), (20, 906565), (22, 824150), (25, 725252), (44, 412075), (50, 362626), (53, 342100), (55, 329660), (100, 181313), (106, 171050), (110, 164830), (212, 85525), (220, 82415), (265, 68420), (275, 65932), (311, 58300), (530, 34210), (550, 32966), (583, 31100), (622, 29150), (1060, 17105), (1100, 16483), (1166, 15550), (1244, 14575), (1325, 13684), (1555, 11660), (2332, 7775), (2650, 6842), (2915, 6220), (3110, 5830), (3421, 5300)]