18528800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 50621760

約数和(自身を除く): 32092960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 32, 38, 40, 46, 50, 53, 76, 80, 92, 95, 100, 106, 115, 152, 160, 184, 190, 200, 212, 230, 265, 304, 368, 380, 400, 424, 437, 460, 475, 530, 575, 608, 736, 760, 800, 848, 874, 920, 950, 1007, 1060, 1150, 1219, 1325, 1520, 1696, 1748, 1840, 1900, 2014, 2120, 2185, 2300, 2438, 2650, 3040, 3496, 3680, 3800, 4028, 4240, 4370, 4600, 4876, 5035, 5300, 6095, 6992, 7600, 8056, 8480, 8740, 9200, 9752, 10070, 10600, 10925, 12190, 13984, 15200, 16112, 17480, 18400, 19504, 20140, 21200, 21850, 23161, 24380, 25175, 30475, 32224, 34960, 39008, 40280, 42400, 43700, 46322, 48760, 50350, 60950, 69920, 80560, 87400, 92644, 97520, 100700, 115805, 121900, 161120, 174800, 185288, 195040, 201400, 231610, 243800, 349600, 370576, 402800, 463220, 487600, 579025, 741152, 805600, 926440, 975200, 1158050, 1852880, 2316100, 3705760, 4632200, 9264400, 18528800]

約数ペア:

[(1, 18528800), (2, 9264400), (4, 4632200), (5, 3705760), (8, 2316100), (10, 1852880), (16, 1158050), (19, 975200), (20, 926440), (23, 805600), (25, 741152), (32, 579025), (38, 487600), (40, 463220), (46, 402800), (50, 370576), (53, 349600), (76, 243800), (80, 231610), (92, 201400), (95, 195040), (100, 185288), (106, 174800), (115, 161120), (152, 121900), (160, 115805), (184, 100700), (190, 97520), (200, 92644), (212, 87400), (230, 80560), (265, 69920), (304, 60950), (368, 50350), (380, 48760), (400, 46322), (424, 43700), (437, 42400), (460, 40280), (475, 39008), (530, 34960), (575, 32224), (608, 30475), (736, 25175), (760, 24380), (800, 23161), (848, 21850), (874, 21200), (920, 20140), (950, 19504), (1007, 18400), (1060, 17480), (1150, 16112), (1219, 15200), (1325, 13984), (1520, 12190), (1696, 10925), (1748, 10600), (1840, 10070), (1900, 9752), (2014, 9200), (2120, 8740), (2185, 8480), (2300, 8056), (2438, 7600), (2650, 6992), (3040, 6095), (3496, 5300), (3680, 5035), (3800, 4876), (4028, 4600), (4240, 4370)]