16919397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 28454400

約数和(自身を除く): 11535003

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 149, 279, 333, 341, 407, 447, 1023, 1147, 1221, 1341, 1639, 3069, 3441, 3663, 4619, 4917, 5513, 10323, 12617, 13857, 14751, 16539, 37851, 41571, 49617, 50809, 60643, 113553, 152427, 170903, 181929, 457281, 512709, 545787, 1538127, 1879933, 5639799, 16919397]

約数ペア:

[(1, 16919397), (3, 5639799), (9, 1879933), (11, 1538127), (31, 545787), (33, 512709), (37, 457281), (93, 181929), (99, 170903), (111, 152427), (149, 113553), (279, 60643), (333, 50809), (341, 49617), (407, 41571), (447, 37851), (1023, 16539), (1147, 14751), (1221, 13857), (1341, 12617), (1639, 10323), (3069, 5513), (3441, 4917), (3663, 4619)]