19645920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1977

約数の個数: 144

約数和(自身を含む): 76658400

約数和(自身を除く): 57012480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1949, 2016, 2520, 3360, 3898, 5040, 5847, 7796, 9745, 10080, 11694, 13643, 15592, 17541, 19490, 23388, 27286, 29235, 31184, 35082, 38980, 40929, 46776, 54572, 58470, 62368, 68215, 70164, 77960, 81858, 87705, 93552, 109144, 116940, 122787, 136430, 140328, 155920, 163716, 175410, 187104, 204645, 218288, 233880, 245574, 272860, 280656, 311840, 327432, 350820, 409290, 436576, 467760, 491148, 545720, 561312, 613935, 654864, 701640, 818580, 935520, 982296, 1091440, 1227870, 1309728, 1403280, 1637160, 1964592, 2182880, 2455740, 2806560, 3274320, 3929184, 4911480, 6548640, 9822960, 19645920]

約数ペア:

[(1, 19645920), (2, 9822960), (3, 6548640), (4, 4911480), (5, 3929184), (6, 3274320), (7, 2806560), (8, 2455740), (9, 2182880), (10, 1964592), (12, 1637160), (14, 1403280), (15, 1309728), (16, 1227870), (18, 1091440), (20, 982296), (21, 935520), (24, 818580), (28, 701640), (30, 654864), (32, 613935), (35, 561312), (36, 545720), (40, 491148), (42, 467760), (45, 436576), (48, 409290), (56, 350820), (60, 327432), (63, 311840), (70, 280656), (72, 272860), (80, 245574), (84, 233880), (90, 218288), (96, 204645), (105, 187104), (112, 175410), (120, 163716), (126, 155920), (140, 140328), (144, 136430), (160, 122787), (168, 116940), (180, 109144), (210, 93552), (224, 87705), (240, 81858), (252, 77960), (280, 70164), (288, 68215), (315, 62368), (336, 58470), (360, 54572), (420, 46776), (480, 40929), (504, 38980), (560, 35082), (630, 31184), (672, 29235), (720, 27286), (840, 23388), (1008, 19490), (1120, 17541), (1260, 15592), (1440, 13643), (1680, 11694), (1949, 10080), (2016, 9745), (2520, 7796), (3360, 5847), (3898, 5040)]