19020120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22643}}^1$

素因数の和:22664

約数の個数: 64

約数和(自身を含む): 65214720

約数和(自身を除く): 46194600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22643, 45286, 67929, 90572, 113215, 135858, 158501, 181144, 226430, 271716, 317002, 339645, 452860, 475503, 543432, 634004, 679290, 792505, 905720, 951006, 1268008, 1358580, 1585010, 1902012, 2377515, 2717160, 3170020, 3804024, 4755030, 6340040, 9510060, 19020120]

約数ペア:

[(1, 19020120), (2, 9510060), (3, 6340040), (4, 4755030), (5, 3804024), (6, 3170020), (7, 2717160), (8, 2377515), (10, 1902012), (12, 1585010), (14, 1358580), (15, 1268008), (20, 951006), (21, 905720), (24, 792505), (28, 679290), (30, 634004), (35, 543432), (40, 475503), (42, 452860), (56, 339645), (60, 317002), (70, 271716), (84, 226430), (105, 181144), (120, 158501), (140, 135858), (168, 113215), (210, 90572), (280, 67929), (420, 45286), (840, 22643)]