19699328

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 45385920

約数和(自身を除く): 25686592

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 823, 1088, 1408, 1496, 1646, 2176, 2992, 3292, 5984, 6584, 9053, 11968, 13168, 13991, 18106, 23936, 26336, 27982, 36212, 52672, 55964, 72424, 105344, 111928, 144848, 153901, 223856, 289696, 307802, 447712, 579392, 615604, 895424, 1158784, 1231208, 1790848, 2462416, 4924832, 9849664, 19699328]

約数ペア:

[(1, 19699328), (2, 9849664), (4, 4924832), (8, 2462416), (11, 1790848), (16, 1231208), (17, 1158784), (22, 895424), (32, 615604), (34, 579392), (44, 447712), (64, 307802), (68, 289696), (88, 223856), (128, 153901), (136, 144848), (176, 111928), (187, 105344), (272, 72424), (352, 55964), (374, 52672), (544, 36212), (704, 27982), (748, 26336), (823, 23936), (1088, 18106), (1408, 13991), (1496, 13168), (1646, 11968), (2176, 9053), (2992, 6584), (3292, 5984)]