19653904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3803}}^1$

素因数の和:3847

約数の個数: 40

約数和(自身を含む): 42452640

約数和(自身を除く): 22798736

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3803, 5168, 7606, 15212, 30424, 60848, 64651, 72257, 129302, 144514, 258604, 289028, 517208, 578056, 1034416, 1156112, 1228369, 2456738, 4913476, 9826952, 19653904]

約数ペア:

[(1, 19653904), (2, 9826952), (4, 4913476), (8, 2456738), (16, 1228369), (17, 1156112), (19, 1034416), (34, 578056), (38, 517208), (68, 289028), (76, 258604), (136, 144514), (152, 129302), (272, 72257), (304, 64651), (323, 60848), (646, 30424), (1292, 15212), (2584, 7606), (3803, 5168)]