19621560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 70917120

約数和(自身を除く): 51295560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 71, 84, 94, 98, 105, 120, 140, 141, 142, 147, 168, 188, 196, 210, 213, 235, 245, 280, 282, 284, 294, 329, 355, 376, 392, 420, 426, 470, 490, 497, 564, 568, 588, 658, 705, 710, 735, 840, 852, 940, 980, 987, 994, 1065, 1128, 1176, 1316, 1410, 1420, 1470, 1491, 1645, 1704, 1880, 1960, 1974, 1988, 2130, 2303, 2485, 2632, 2820, 2840, 2940, 2982, 3290, 3337, 3479, 3948, 3976, 4260, 4606, 4935, 4970, 5640, 5880, 5964, 6580, 6674, 6909, 6958, 7455, 7896, 8520, 9212, 9870, 9940, 10011, 10437, 11515, 11928, 13160, 13348, 13818, 13916, 14910, 16685, 17395, 18424, 19740, 19880, 20022, 20874, 23030, 23359, 26696, 27636, 27832, 29820, 33370, 34545, 34790, 39480, 40044, 41748, 46060, 46718, 50055, 52185, 55272, 59640, 66740, 69090, 69580, 70077, 80088, 83496, 92120, 93436, 100110, 104370, 116795, 133480, 138180, 139160, 140154, 163513, 186872, 200220, 208740, 233590, 276360, 280308, 327026, 350385, 400440, 417480, 467180, 490539, 560616, 654052, 700770, 817565, 934360, 981078, 1308104, 1401540, 1635130, 1962156, 2452695, 2803080, 3270260, 3924312, 4905390, 6540520, 9810780, 19621560]

約数ペア:

[(1, 19621560), (2, 9810780), (3, 6540520), (4, 4905390), (5, 3924312), (6, 3270260), (7, 2803080), (8, 2452695), (10, 1962156), (12, 1635130), (14, 1401540), (15, 1308104), (20, 981078), (21, 934360), (24, 817565), (28, 700770), (30, 654052), (35, 560616), (40, 490539), (42, 467180), (47, 417480), (49, 400440), (56, 350385), (60, 327026), (70, 280308), (71, 276360), (84, 233590), (94, 208740), (98, 200220), (105, 186872), (120, 163513), (140, 140154), (141, 139160), (142, 138180), (147, 133480), (168, 116795), (188, 104370), (196, 100110), (210, 93436), (213, 92120), (235, 83496), (245, 80088), (280, 70077), (282, 69580), (284, 69090), (294, 66740), (329, 59640), (355, 55272), (376, 52185), (392, 50055), (420, 46718), (426, 46060), (470, 41748), (490, 40044), (497, 39480), (564, 34790), (568, 34545), (588, 33370), (658, 29820), (705, 27832), (710, 27636), (735, 26696), (840, 23359), (852, 23030), (940, 20874), (980, 20022), (987, 19880), (994, 19740), (1065, 18424), (1128, 17395), (1176, 16685), (1316, 14910), (1410, 13916), (1420, 13818), (1470, 13348), (1491, 13160), (1645, 11928), (1704, 11515), (1880, 10437), (1960, 10011), (1974, 9940), (1988, 9870), (2130, 9212), (2303, 8520), (2485, 7896), (2632, 7455), (2820, 6958), (2840, 6909), (2940, 6674), (2982, 6580), (3290, 5964), (3337, 5880), (3479, 5640), (3948, 4970), (3976, 4935), (4260, 4606)]