18936500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{313}}^1$

素因数の和:354

約数の個数: 72

約数和(自身を含む): 45604104

約数和(自身を除く): 26667604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 313, 484, 500, 550, 605, 626, 1100, 1210, 1252, 1375, 1565, 2420, 2750, 3025, 3130, 3443, 5500, 6050, 6260, 6886, 7825, 12100, 13772, 15125, 15650, 17215, 30250, 31300, 34430, 37873, 39125, 60500, 68860, 75746, 78250, 86075, 151492, 156500, 172150, 189365, 344300, 378730, 430375, 757460, 860750, 946825, 1721500, 1893650, 3787300, 4734125, 9468250, 18936500]

約数ペア:

[(1, 18936500), (2, 9468250), (4, 4734125), (5, 3787300), (10, 1893650), (11, 1721500), (20, 946825), (22, 860750), (25, 757460), (44, 430375), (50, 378730), (55, 344300), (100, 189365), (110, 172150), (121, 156500), (125, 151492), (220, 86075), (242, 78250), (250, 75746), (275, 68860), (313, 60500), (484, 39125), (500, 37873), (550, 34430), (605, 31300), (626, 30250), (1100, 17215), (1210, 15650), (1252, 15125), (1375, 13772), (1565, 12100), (2420, 7825), (2750, 6886), (3025, 6260), (3130, 6050), (3443, 5500)]