19648736

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1947

約数の個数: 48

約数和(自身を含む): 43137360

約数和(自身を除く): 23488624

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1901, 2584, 3802, 5168, 7604, 10336, 15208, 30416, 32317, 36119, 60832, 64634, 72238, 129268, 144476, 258536, 288952, 517072, 577904, 614023, 1034144, 1155808, 1228046, 2456092, 4912184, 9824368, 19648736]

約数ペア:

[(1, 19648736), (2, 9824368), (4, 4912184), (8, 2456092), (16, 1228046), (17, 1155808), (19, 1034144), (32, 614023), (34, 577904), (38, 517072), (68, 288952), (76, 258536), (136, 144476), (152, 129268), (272, 72238), (304, 64634), (323, 60832), (544, 36119), (608, 32317), (646, 30416), (1292, 15208), (1901, 10336), (2584, 7604), (3802, 5168)]