19109972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 42618240

約数和(自身を除く): 23508268

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2113, 2261, 4226, 4522, 8452, 9044, 14791, 29582, 35921, 40147, 59164, 71842, 80294, 143684, 160588, 251447, 281029, 502894, 562058, 682499, 1005788, 1124116, 1364998, 2729996, 4777493, 9554986, 19109972]

約数ペア:

[(1, 19109972), (2, 9554986), (4, 4777493), (7, 2729996), (14, 1364998), (17, 1124116), (19, 1005788), (28, 682499), (34, 562058), (38, 502894), (68, 281029), (76, 251447), (119, 160588), (133, 143684), (238, 80294), (266, 71842), (323, 59164), (476, 40147), (532, 35921), (646, 29582), (1292, 14791), (2113, 9044), (2261, 8452), (4226, 4522)]