18813304908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{80809}}^1$

素因数の和:81071

約数の個数: 72

約数和(自身を含む): 49416931200

約数和(自身を除く): 30603626292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 223, 261, 348, 446, 522, 669, 892, 1044, 1338, 2007, 2676, 4014, 6467, 8028, 12934, 19401, 25868, 38802, 58203, 77604, 80809, 116406, 161618, 232812, 242427, 323236, 484854, 727281, 969708, 1454562, 2343461, 2909124, 4686922, 7030383, 9373844, 14060766, 18020407, 21091149, 28121532, 36040814, 42182298, 54061221, 72081628, 84364596, 108122442, 162183663, 216244884, 324367326, 522591803, 648734652, 1045183606, 1567775409, 2090367212, 3135550818, 4703326227, 6271101636, 9406652454, 18813304908]

約数ペア:

[(1, 18813304908), (2, 9406652454), (3, 6271101636), (4, 4703326227), (6, 3135550818), (9, 2090367212), (12, 1567775409), (18, 1045183606), (29, 648734652), (36, 522591803), (58, 324367326), (87, 216244884), (116, 162183663), (174, 108122442), (223, 84364596), (261, 72081628), (348, 54061221), (446, 42182298), (522, 36040814), (669, 28121532), (892, 21091149), (1044, 18020407), (1338, 14060766), (2007, 9373844), (2676, 7030383), (4014, 4686922), (6467, 2909124), (8028, 2343461), (12934, 1454562), (19401, 969708), (25868, 727281), (38802, 484854), (58203, 323236), (77604, 242427), (80809, 232812), (116406, 161618)]