19186440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 72394560

約数和(自身を除く): 53208120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 251, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 502, 520, 546, 588, 637, 728, 735, 753, 780, 840, 910, 980, 1004, 1092, 1176, 1255, 1274, 1365, 1470, 1506, 1560, 1757, 1820, 1911, 1960, 2008, 2184, 2510, 2548, 2730, 2940, 3012, 3185, 3263, 3514, 3640, 3765, 3822, 5020, 5096, 5271, 5460, 5880, 6024, 6370, 6526, 7028, 7530, 7644, 8785, 9555, 9789, 10040, 10542, 10920, 12299, 12740, 13052, 14056, 15060, 15288, 16315, 17570, 19110, 19578, 21084, 22841, 24598, 25480, 26104, 26355, 30120, 32630, 35140, 36897, 38220, 39156, 42168, 45682, 48945, 49196, 52710, 61495, 65260, 68523, 70280, 73794, 76440, 78312, 91364, 97890, 98392, 105420, 114205, 122990, 130520, 137046, 147588, 159887, 182728, 184485, 195780, 210840, 228410, 245980, 274092, 295176, 319774, 342615, 368970, 391560, 456820, 479661, 491960, 548184, 639548, 685230, 737940, 799435, 913640, 959322, 1279096, 1370460, 1475880, 1598870, 1918644, 2398305, 2740920, 3197740, 3837288, 4796610, 6395480, 9593220, 19186440]

約数ペア:

[(1, 19186440), (2, 9593220), (3, 6395480), (4, 4796610), (5, 3837288), (6, 3197740), (7, 2740920), (8, 2398305), (10, 1918644), (12, 1598870), (13, 1475880), (14, 1370460), (15, 1279096), (20, 959322), (21, 913640), (24, 799435), (26, 737940), (28, 685230), (30, 639548), (35, 548184), (39, 491960), (40, 479661), (42, 456820), (49, 391560), (52, 368970), (56, 342615), (60, 319774), (65, 295176), (70, 274092), (78, 245980), (84, 228410), (91, 210840), (98, 195780), (104, 184485), (105, 182728), (120, 159887), (130, 147588), (140, 137046), (147, 130520), (156, 122990), (168, 114205), (182, 105420), (195, 98392), (196, 97890), (210, 91364), (245, 78312), (251, 76440), (260, 73794), (273, 70280), (280, 68523), (294, 65260), (312, 61495), (364, 52710), (390, 49196), (392, 48945), (420, 45682), (455, 42168), (490, 39156), (502, 38220), (520, 36897), (546, 35140), (588, 32630), (637, 30120), (728, 26355), (735, 26104), (753, 25480), (780, 24598), (840, 22841), (910, 21084), (980, 19578), (1004, 19110), (1092, 17570), (1176, 16315), (1255, 15288), (1274, 15060), (1365, 14056), (1470, 13052), (1506, 12740), (1560, 12299), (1757, 10920), (1820, 10542), (1911, 10040), (1960, 9789), (2008, 9555), (2184, 8785), (2510, 7644), (2548, 7530), (2730, 7028), (2940, 6526), (3012, 6370), (3185, 6024), (3263, 5880), (3514, 5460), (3640, 5271), (3765, 5096), (3822, 5020)]