19734008

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27440392

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1091, 1292, 2182, 2261, 2584, 4364, 4522, 7637, 8728, 9044, 15274, 18088, 18547, 20729, 30548, 37094, 41458, 61096, 74188, 82916, 129829, 145103, 148376, 165832, 259658, 290206, 352393, 519316, 580412, 704786, 1038632, 1160824, 1409572, 2466751, 2819144, 4933502, 9867004, 19734008]

約数ペア:

[(1, 19734008), (2, 9867004), (4, 4933502), (7, 2819144), (8, 2466751), (14, 1409572), (17, 1160824), (19, 1038632), (28, 704786), (34, 580412), (38, 519316), (56, 352393), (68, 290206), (76, 259658), (119, 165832), (133, 148376), (136, 145103), (152, 129829), (238, 82916), (266, 74188), (323, 61096), (476, 41458), (532, 37094), (646, 30548), (952, 20729), (1064, 18547), (1091, 18088), (1292, 15274), (2182, 9044), (2261, 8728), (2584, 7637), (4364, 4522)]