19018160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33961}}^1$

素因数の和:33981

約数の個数: 40

約数和(自身を含む): 50535456

約数和(自身を除く): 31517296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33961, 67922, 135844, 169805, 237727, 271688, 339610, 475454, 543376, 679220, 950908, 1188635, 1358440, 1901816, 2377270, 2716880, 3803632, 4754540, 9509080, 19018160]

約数ペア:

[(1, 19018160), (2, 9509080), (4, 4754540), (5, 3803632), (7, 2716880), (8, 2377270), (10, 1901816), (14, 1358440), (16, 1188635), (20, 950908), (28, 679220), (35, 543376), (40, 475454), (56, 339610), (70, 271688), (80, 237727), (112, 169805), (140, 135844), (280, 67922), (560, 33961)]