18705500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 28468900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 179, 190, 209, 220, 250, 275, 358, 380, 418, 475, 500, 550, 716, 836, 895, 950, 1045, 1100, 1375, 1790, 1900, 1969, 2090, 2375, 2750, 3401, 3580, 3938, 4180, 4475, 4750, 5225, 5500, 6802, 7876, 8950, 9500, 9845, 10450, 13604, 17005, 17900, 19690, 20900, 22375, 26125, 34010, 37411, 39380, 44750, 49225, 52250, 68020, 74822, 85025, 89500, 98450, 104500, 149644, 170050, 187055, 196900, 246125, 340100, 374110, 425125, 492250, 748220, 850250, 935275, 984500, 1700500, 1870550, 3741100, 4676375, 9352750, 18705500]

約数ペア:

[(1, 18705500), (2, 9352750), (4, 4676375), (5, 3741100), (10, 1870550), (11, 1700500), (19, 984500), (20, 935275), (22, 850250), (25, 748220), (38, 492250), (44, 425125), (50, 374110), (55, 340100), (76, 246125), (95, 196900), (100, 187055), (110, 170050), (125, 149644), (179, 104500), (190, 98450), (209, 89500), (220, 85025), (250, 74822), (275, 68020), (358, 52250), (380, 49225), (418, 44750), (475, 39380), (500, 37411), (550, 34010), (716, 26125), (836, 22375), (895, 20900), (950, 19690), (1045, 17900), (1100, 17005), (1375, 13604), (1790, 10450), (1900, 9845), (1969, 9500), (2090, 8950), (2375, 7876), (2750, 6802), (3401, 5500), (3580, 5225), (3938, 4750), (4180, 4475)]