19495448

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^2$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 43351920

約数和(自身を除く): 23856472

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 97, 148, 194, 259, 296, 388, 518, 679, 776, 1036, 1358, 2072, 2716, 3589, 5432, 7178, 9409, 14356, 18818, 25123, 28712, 37636, 50246, 65863, 75272, 100492, 131726, 200984, 263452, 348133, 526904, 696266, 1392532, 2436931, 2785064, 4873862, 9747724, 19495448]

約数ペア:

[(1, 19495448), (2, 9747724), (4, 4873862), (7, 2785064), (8, 2436931), (14, 1392532), (28, 696266), (37, 526904), (56, 348133), (74, 263452), (97, 200984), (148, 131726), (194, 100492), (259, 75272), (296, 65863), (388, 50246), (518, 37636), (679, 28712), (776, 25123), (1036, 18818), (1358, 14356), (2072, 9409), (2716, 7178), (3589, 5432)]