18825378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 45505152

約数和(自身を除く): 26679774

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 593, 814, 858, 962, 1186, 1221, 1443, 1779, 2442, 2886, 3558, 5291, 6523, 7709, 10582, 13046, 15418, 15873, 19569, 21941, 23127, 31746, 39138, 43882, 46254, 65823, 84799, 131646, 169598, 241351, 254397, 285233, 482702, 508794, 570466, 724053, 855699, 1448106, 1711398, 3137563, 6275126, 9412689, 18825378]

約数ペア:

[(1, 18825378), (2, 9412689), (3, 6275126), (6, 3137563), (11, 1711398), (13, 1448106), (22, 855699), (26, 724053), (33, 570466), (37, 508794), (39, 482702), (66, 285233), (74, 254397), (78, 241351), (111, 169598), (143, 131646), (222, 84799), (286, 65823), (407, 46254), (429, 43882), (481, 39138), (593, 31746), (814, 23127), (858, 21941), (962, 19569), (1186, 15873), (1221, 15418), (1443, 13046), (1779, 10582), (2442, 7709), (2886, 6523), (3558, 5291)]