18789214778870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{4980323}}^1$

素因数の和:4980749

約数の個数: 64

約数和(自身を含む): 36145199462400

約数和(自身を除く): 17355984683530

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 349, 470, 698, 1081, 1745, 2162, 3490, 5405, 8027, 10810, 16054, 16403, 32806, 40135, 80270, 82015, 164030, 377269, 754538, 1886345, 3772690, 4980323, 9960646, 24901615, 49803230, 114547429, 229094858, 234075181, 468150362, 572737145, 1145474290, 1170375905, 1738132727, 2340751810, 3476265454, 5383729163, 8690663635, 10767458326, 17381327270, 26918645815, 39977052721, 53837291630, 79954105442, 81692238169, 163384476338, 199885263605, 399770527210, 408461190845, 816922381690, 1878921477887, 3757842955774, 9394607389435, 18789214778870]

約数ペア:

[(1, 18789214778870), (2, 9394607389435), (5, 3757842955774), (10, 1878921477887), (23, 816922381690), (46, 408461190845), (47, 399770527210), (94, 199885263605), (115, 163384476338), (230, 81692238169), (235, 79954105442), (349, 53837291630), (470, 39977052721), (698, 26918645815), (1081, 17381327270), (1745, 10767458326), (2162, 8690663635), (3490, 5383729163), (5405, 3476265454), (8027, 2340751810), (10810, 1738132727), (16054, 1170375905), (16403, 1145474290), (32806, 572737145), (40135, 468150362), (80270, 234075181), (82015, 229094858), (164030, 114547429), (377269, 49803230), (754538, 24901615), (1886345, 9960646), (3772690, 4980323)]