18907504

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 46425600

約数和(自身を除く): 27518096

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 103, 112, 149, 154, 176, 206, 298, 308, 412, 596, 616, 721, 824, 1043, 1133, 1192, 1232, 1442, 1639, 1648, 2086, 2266, 2384, 2884, 3278, 4172, 4532, 5768, 6556, 7931, 8344, 9064, 11473, 11536, 13112, 15347, 15862, 16688, 18128, 22946, 26224, 30694, 31724, 45892, 61388, 63448, 91784, 107429, 122776, 126896, 168817, 183568, 214858, 245552, 337634, 429716, 675268, 859432, 1181719, 1350536, 1718864, 2363438, 2701072, 4726876, 9453752, 18907504]

約数ペア:

[(1, 18907504), (2, 9453752), (4, 4726876), (7, 2701072), (8, 2363438), (11, 1718864), (14, 1350536), (16, 1181719), (22, 859432), (28, 675268), (44, 429716), (56, 337634), (77, 245552), (88, 214858), (103, 183568), (112, 168817), (149, 126896), (154, 122776), (176, 107429), (206, 91784), (298, 63448), (308, 61388), (412, 45892), (596, 31724), (616, 30694), (721, 26224), (824, 22946), (1043, 18128), (1133, 16688), (1192, 15862), (1232, 15347), (1442, 13112), (1639, 11536), (1648, 11473), (2086, 9064), (2266, 8344), (2384, 7931), (2884, 6556), (3278, 5768), (4172, 4532)]