19671840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:759

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 51089760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 719, 720, 760, 855, 912, 1140, 1368, 1438, 1440, 1520, 1710, 1824, 2157, 2280, 2736, 2876, 3040, 3420, 3595, 4314, 4560, 5472, 5752, 6471, 6840, 7190, 8628, 9120, 10785, 11504, 12942, 13661, 13680, 14380, 17256, 21570, 23008, 25884, 27322, 27360, 28760, 32355, 34512, 40983, 43140, 51768, 54644, 57520, 64710, 68305, 69024, 81966, 86280, 103536, 109288, 115040, 122949, 129420, 136610, 163932, 172560, 204915, 207072, 218576, 245898, 258840, 273220, 327864, 345120, 409830, 437152, 491796, 517680, 546440, 614745, 655728, 819660, 983592, 1035360, 1092880, 1229490, 1311456, 1639320, 1967184, 2185760, 2458980, 3278640, 3934368, 4917960, 6557280, 9835920, 19671840]

約数ペア:

[(1, 19671840), (2, 9835920), (3, 6557280), (4, 4917960), (5, 3934368), (6, 3278640), (8, 2458980), (9, 2185760), (10, 1967184), (12, 1639320), (15, 1311456), (16, 1229490), (18, 1092880), (19, 1035360), (20, 983592), (24, 819660), (30, 655728), (32, 614745), (36, 546440), (38, 517680), (40, 491796), (45, 437152), (48, 409830), (57, 345120), (60, 327864), (72, 273220), (76, 258840), (80, 245898), (90, 218576), (95, 207072), (96, 204915), (114, 172560), (120, 163932), (144, 136610), (152, 129420), (160, 122949), (171, 115040), (180, 109288), (190, 103536), (228, 86280), (240, 81966), (285, 69024), (288, 68305), (304, 64710), (342, 57520), (360, 54644), (380, 51768), (456, 43140), (480, 40983), (570, 34512), (608, 32355), (684, 28760), (719, 27360), (720, 27322), (760, 25884), (855, 23008), (912, 21570), (1140, 17256), (1368, 14380), (1438, 13680), (1440, 13661), (1520, 12942), (1710, 11504), (1824, 10785), (2157, 9120), (2280, 8628), (2736, 7190), (2876, 6840), (3040, 6471), (3420, 5752), (3595, 5472), (4314, 4560)]