19955586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 30916734

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 102, 114, 119, 133, 238, 266, 323, 357, 399, 646, 714, 798, 969, 1471, 1938, 2261, 2942, 4413, 4522, 6783, 8826, 10297, 13566, 20594, 25007, 27949, 30891, 50014, 55898, 61782, 75021, 83847, 150042, 167694, 175049, 195643, 350098, 391286, 475133, 525147, 586929, 950266, 1050294, 1173858, 1425399, 2850798, 3325931, 6651862, 9977793, 19955586]

約数ペア:

[(1, 19955586), (2, 9977793), (3, 6651862), (6, 3325931), (7, 2850798), (14, 1425399), (17, 1173858), (19, 1050294), (21, 950266), (34, 586929), (38, 525147), (42, 475133), (51, 391286), (57, 350098), (102, 195643), (114, 175049), (119, 167694), (133, 150042), (238, 83847), (266, 75021), (323, 61782), (357, 55898), (399, 50014), (646, 30891), (714, 27949), (798, 25007), (969, 20594), (1471, 13566), (1938, 10297), (2261, 8826), (2942, 6783), (4413, 4522)]