18791300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1553}}^1$

素因数の和:1589

約数の個数: 54

約数和(自身を含む): 44849994

約数和(自身を除く): 26058694

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1553, 2420, 3025, 3106, 6050, 6212, 7765, 12100, 15530, 17083, 31060, 34166, 38825, 68332, 77650, 85415, 155300, 170830, 187913, 341660, 375826, 427075, 751652, 854150, 939565, 1708300, 1879130, 3758260, 4697825, 9395650, 18791300]

約数ペア:

[(1, 18791300), (2, 9395650), (4, 4697825), (5, 3758260), (10, 1879130), (11, 1708300), (20, 939565), (22, 854150), (25, 751652), (44, 427075), (50, 375826), (55, 341660), (100, 187913), (110, 170830), (121, 155300), (220, 85415), (242, 77650), (275, 68332), (484, 38825), (550, 34166), (605, 31060), (1100, 17083), (1210, 15530), (1553, 12100), (2420, 7765), (3025, 6212), (3106, 6050)]