18950800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 51202080

約数和(自身を除く): 32251280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 59, 73, 80, 88, 100, 110, 118, 146, 176, 200, 220, 236, 275, 292, 295, 365, 400, 440, 472, 550, 584, 590, 649, 730, 803, 880, 944, 1100, 1168, 1180, 1298, 1460, 1475, 1606, 1825, 2200, 2360, 2596, 2920, 2950, 3212, 3245, 3650, 4015, 4307, 4400, 4720, 5192, 5840, 5900, 6424, 6490, 7300, 8030, 8614, 10384, 11800, 12848, 12980, 14600, 16060, 16225, 17228, 20075, 21535, 23600, 25960, 29200, 32120, 32450, 34456, 40150, 43070, 47377, 51920, 64240, 64900, 68912, 80300, 86140, 94754, 107675, 129800, 160600, 172280, 189508, 215350, 236885, 259600, 321200, 344560, 379016, 430700, 473770, 758032, 861400, 947540, 1184425, 1722800, 1895080, 2368850, 3790160, 4737700, 9475400, 18950800]

約数ペア:

[(1, 18950800), (2, 9475400), (4, 4737700), (5, 3790160), (8, 2368850), (10, 1895080), (11, 1722800), (16, 1184425), (20, 947540), (22, 861400), (25, 758032), (40, 473770), (44, 430700), (50, 379016), (55, 344560), (59, 321200), (73, 259600), (80, 236885), (88, 215350), (100, 189508), (110, 172280), (118, 160600), (146, 129800), (176, 107675), (200, 94754), (220, 86140), (236, 80300), (275, 68912), (292, 64900), (295, 64240), (365, 51920), (400, 47377), (440, 43070), (472, 40150), (550, 34456), (584, 32450), (590, 32120), (649, 29200), (730, 25960), (803, 23600), (880, 21535), (944, 20075), (1100, 17228), (1168, 16225), (1180, 16060), (1298, 14600), (1460, 12980), (1475, 12848), (1606, 11800), (1825, 10384), (2200, 8614), (2360, 8030), (2596, 7300), (2920, 6490), (2950, 6424), (3212, 5900), (3245, 5840), (3650, 5192), (4015, 4720), (4307, 4400)]